{"id":44589,"date":"2021-01-29T13:46:13","date_gmt":"2021-01-29T08:16:13","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=44589"},"modified":"2021-01-29T13:46:13","modified_gmt":"2021-01-29T08:16:13","slug":"important-questions-on-algebra-for-mah-mba-cet","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/important-questions-on-algebra-for-mah-mba-cet\/","title":{"rendered":"Important Questions on Algebra for MAH MBA CET"},"content":{"rendered":"<h1><strong>Algebra Questions for MAH MBA CET Exam<\/strong><\/h1>\n<p>Download MAH MBA CET Algebra Questions and Answers PDF covering the important questions. Most expected Algebra questions with explanations for MAH MBA CET \/ MMS CET 2021 exam.<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/downloads\/11611\" target=\"_blank\" class=\"btn btn-danger  download\">Download Important Questions on Algebra for MHCET Exam<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/mah-mba-cet-crash-course\" target=\"_blank\" class=\"btn btn-info \">Enroll to MAH MBA CET Crash Course<\/a><\/p>\n<p>Take a<a href=\"https:\/\/cracku.in\/mah-mba-cet-mock-test\"> MAH MBA CET Free Mock Test<\/a><\/p>\n<p>Get<a href=\"https:\/\/cracku.in\/pay\/9mLFO\"> 10 MAH MBA CET mocks for just Rs. 499<\/a><\/p>\n<p><b>Question 1:\u00a0<\/b>$\\sqrt{8 + \\sqrt{57 + \\sqrt{38 + \\sqrt{108 + \\sqrt{169}}}}}$<\/p>\n<p>a)\u00a04<\/p>\n<p>b)\u00a06<\/p>\n<p>c)\u00a08<\/p>\n<p>d)\u00a010<\/p>\n<p><b>Question 2:\u00a0<\/b>If a * b = 2a + 3b &#8211; ab, then the value of (3 * 5 + 5 * 3) is<\/p>\n<p>a)\u00a010<\/p>\n<p>b)\u00a06<\/p>\n<p>c)\u00a04<\/p>\n<p>d)\u00a02<\/p>\n<p><b>Question 3:\u00a0<\/b>If a * b\u00a0= $a^{b}$, then the value of 5 * 3 is<\/p>\n<p>a)\u00a0125<\/p>\n<p>b)\u00a0243<\/p>\n<p>c)\u00a053<\/p>\n<p>d)\u00a015<\/p>\n<p><b>Question 4:\u00a0<\/b>If $x = 1 + \\sqrt{2} + \\sqrt{3}$ , then the value of $(2x^4 &#8211; 8x^3 &#8211; 5x^2 + 26x- 28)$ is __?<\/p>\n<p>a)\u00a0$6\\sqrt{6}$<\/p>\n<p>b)\u00a0$0$<\/p>\n<p>c)\u00a0$3\\sqrt{6}$<\/p>\n<p>d)\u00a0$2\\sqrt{6}$<\/p>\n<p><b>Question 5:\u00a0<\/b>If $a^2+b^2+c^2=2(a-2b-c-3)$ then the value of a+b+c is<\/p>\n<p>a)\u00a03<\/p>\n<p>b)\u00a00<\/p>\n<p>c)\u00a02<\/p>\n<p>d)\u00a04<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/mah-mba-cet-mock-test\" target=\"_blank\" class=\"btn btn-danger \">Take a MAH MBA CET Free Mock Test<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/pay\/9mLFO\" target=\"_blank\" class=\"btn btn-info \">Get 10 MAH MBA CET mocks for just Rs. 499<\/a><\/p>\n<p><b>Question 6:\u00a0<\/b>Find the simplest value of $2\\sqrt{50} + \\sqrt{18} &#8211; \\sqrt{72}$ is __? $(\\sqrt{2} = 1.414)$.<\/p>\n<p>a)\u00a09.898<\/p>\n<p>b)\u00a010.312<\/p>\n<p>c)\u00a08.484<\/p>\n<p>d)\u00a04.242<\/p>\n<p><b>Question 7:\u00a0<\/b>If $a^{3}-b^{3}-c^{3}=0$ then the value of $a^{9}-b^{9}-c^{9}-3a^{3} b^{3} c^{3}$ is<\/p>\n<p>a)\u00a01<\/p>\n<p>b)\u00a02<\/p>\n<p>c)\u00a00<\/p>\n<p>d)\u00a0-1<\/p>\n<p><b>Question 8:\u00a0<\/b>If $\\frac{p^2}{q^2}+\\frac{q^2}{p^2}$=1 then the value of $(p^{6}+q^{6})$<span class=\"redactor-invisible-space\"> is <\/span><\/p>\n<p>a)\u00a00<\/p>\n<p>b)\u00a01<\/p>\n<p>c)\u00a02<\/p>\n<p>d)\u00a03<\/p>\n<p><b>Question 9:\u00a0<\/b>If $(m+1) = \\sqrt{n}+3$ the value of $\\frac{1}{2}(\\frac{m^{3}-6m^{2}+12m-8}{\\sqrt{n}}-n)$<\/p>\n<p>a)\u00a00<\/p>\n<p>b)\u00a01<\/p>\n<p>c)\u00a02<\/p>\n<p>d)\u00a03<\/p>\n<p><b>Question 10:\u00a0<\/b>If $x=\\frac{a-b}{a+b},y=\\frac{b-c}{b+c},z=\\frac{c-a}{c+a}$ then $\\frac{(1-x)(1-y)(1-z)}{(1+x)(1+y)(1+z)}$ is equal to<\/p>\n<p>a)\u00a01<\/p>\n<p>b)\u00a00<\/p>\n<p>c)\u00a02<\/p>\n<p>d)\u00a0$\\frac{1}{2}$<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/mah-mba-cet-crash-course\" target=\"_blank\" class=\"btn btn-info \">Enroll to MAH MBA CET Crash Course<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/t.me\/CatWithCracku\" target=\"_blank\" class=\"btn btn-danger \">Join MAH MBA CET Telegram Group<\/a><\/p>\n<p><b>Question 11:\u00a0<\/b>If $\\frac{\\sqrt{7}-1}{\\sqrt{7}+1}-\\frac{\\sqrt{7}+1}{\\sqrt{7}-1}=a+\\sqrt{7} b$ the values of a and b are respectively<\/p>\n<p>a)\u00a0$\\sqrt{7},-1$<\/p>\n<p>b)\u00a0$\\sqrt{7}, 1$<\/p>\n<p>c)\u00a0$0, -\\frac{2}{3}$<\/p>\n<p>d)\u00a0$-\\frac{2}{3}, 0$<\/p>\n<p><b>Question 12:\u00a0<\/b>If m = &#8211; 4, n = &#8211; 2, then the value of $m^3 &#8211; 3m^2 + 3m + 3n + 3n^2 + n^3$ is<\/p>\n<p>a)\u00a0&#8211; 126<\/p>\n<p>b)\u00a0124<\/p>\n<p>c)\u00a0&#8211; 124<\/p>\n<p>d)\u00a0126<\/p>\n<p><b>Question 13:\u00a0<\/b>If $x+\\frac{1}{x}=1$ then the value of $\\frac{x^2+3x+1}{x^2+7x+1}$<\/p>\n<p>a)\u00a0$1$<\/p>\n<p>b)\u00a0$\\frac{3}{7}$<\/p>\n<p>c)\u00a0$\\frac{1}{2}$<\/p>\n<p>d)\u00a02<\/p>\n<p><b>Question 14:\u00a0<\/b>If $x=\\sqrt{a^3\\sqrt{b}\\sqrt{a^3}\\sqrt{b}}$ then the value of x is<\/p>\n<p>a)\u00a0$\\sqrt[5]{ab^3}$<\/p>\n<p>b)\u00a0$\\sqrt[3]{a^3b}$<\/p>\n<p>c)\u00a0$\\sqrt[3]{a^5b}$<\/p>\n<p>d)\u00a0 $a^2\\sqrt b\\sqrt[4]{a}$<\/p>\n<p><b>Question 15:\u00a0<\/b>If the cube root of 79507 is 43, then the value of $\\sqrt[3]{79.507}+\\sqrt[3]{0.079507}+\\sqrt[3]{0.000079507}$<br \/>\nis<\/p>\n<p>a)\u00a00.4773<\/p>\n<p>b)\u00a0477.3<\/p>\n<p>c)\u00a047.73<\/p>\n<p>d)\u00a04.773<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLSjkMEhzZ_id2-7I4qzP6NHtzXunkeIGG\" target=\"_blank\" class=\"btn btn-alone \">Free MAH MBA CET Preparation Videos<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLSjkMEhzZ_id2-7I4qzP6NHtzXunkeIGG\" target=\"_blank\" class=\"btn btn-info \">Take a MAH MBA CET Free Mock Tests<\/a><\/p>\n<p><b>Question 16:\u00a0<\/b>If $\\frac{x}{y}$=$\\frac{3}{4}$ the ratio of $(2x+3y)$ and $(3y-2x)$ is<\/p>\n<p>a)\u00a02 : 1<\/p>\n<p>b)\u00a03 : 2<\/p>\n<p>c)\u00a01 : 1<\/p>\n<p>d)\u00a03 : 1<\/p>\n<p><b>Question 17:\u00a0<\/b>If m &#8211; 5n = 2, then the vlaue of $(m^{3} &#8211; 125n^{3}$ &#8211; 30 mn) is<\/p>\n<p>a)\u00a06<\/p>\n<p>b)\u00a07<\/p>\n<p>c)\u00a08<\/p>\n<p>d)\u00a09<\/p>\n<p><b>Question 18:\u00a0<\/b>If $x+\\frac{1}{x}=2$ then the value of $x^{12}+\\frac{1}{x^{12}}$<span class=\"redactor-invisible-space\"> is <\/span><\/p>\n<p>a)\u00a02<\/p>\n<p>b)\u00a0-4<\/p>\n<p>c)\u00a00<\/p>\n<p>d)\u00a04<\/p>\n<p><b>Question 19:\u00a0<\/b>If 5x + 9y = 5 and $125x^{3}$ + $729y^{3}$ = 120 then the value of the product of x and y is<\/p>\n<p>a)\u00a0$\\frac{1}{9}$<\/p>\n<p>b)\u00a0$\\frac{1}{135}$<\/p>\n<p>c)\u00a0$45$<\/p>\n<p>d)\u00a0$135$<\/p>\n<p><b>Question 20:\u00a0<\/b>What is the value of $\\frac{(941+149)^{2}+(941-149)^{2}}{(941\\times941+149\\times149)}?$<\/p>\n<p>a)\u00a010<\/p>\n<p>b)\u00a02<\/p>\n<p>c)\u00a01<\/p>\n<p>d)\u00a0100<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/mah-mba-cet-crash-course\" target=\"_blank\" class=\"btn btn-info \">Enroll to MAH MBA CET Crash Course<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/pay\/9mLFO\" target=\"_blank\" class=\"btn btn-info \">Get 10 MAH MBA CET mocks for just Rs. 499<\/a><\/p>\n<p><span style=\"text-decoration: underline;\"><strong>Answers &amp; Solutions:<\/strong><\/span><\/p>\n<p><strong>1)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Start from the root of 169 then second root will reduce to 11, thrid root will reduce to 7, fourth root will reduce to 8, and finally it reduce to value 4<\/p>\n<p><strong>2)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>For 3*5 put a=3 and b=5 in given equation<br \/>\nand for 5*3 put a=5 and b=3 in equation<br \/>\nnow add both values<\/p>\n<p><strong>3)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Put a=5 and b=3 in given equation<br \/>\nhence it will be $5^{3}$ = 125<\/p>\n<p><strong>4)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>x = 1+ $\\sqrt {2} + \\sqrt {3} $<br \/>\n$(x-1)^{2}$ = $(\\sqrt {2} + \\sqrt {3}) ^ {2} $<br \/>\n$x^{2} +1 &#8211; 2x = 5 + 2 \\sqrt {6}$<br \/>\n$x^{2} &#8211; 2x = 4 + 2 \\sqrt {6}$ ( eq. (1) )<br \/>\n$(x^{2} &#8211; 2x)^{2} = x^{4} + 4x^{2} &#8211; 4x^{3} = 40 + 16\\sqrt{6} $ eq (2)<br \/>\nNow in $2x^{4} &#8211; 8x^{3} &#8211; 5x^{2} + 26x &#8211; 28 $<br \/>\nor $2(x^{4} &#8211; 4x^{3}) &#8211; 5x^{2} + 26x &#8211; 28 $ ( putting values from eq (1) and eq (2) )<br \/>\nAfter solving we will get it reduced to $6\\sqrt{6}$<\/p>\n<p><strong>5)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>Given\u00a0$a^2+b^2+ c^2=2(a-2b-c-3)$,<\/p>\n<p>So, $(a-1)^2+(b+2)^2+(c-1)^2=0$<\/p>\n<p>Hence, a=1, b=-2 and c=1<\/p>\n<p>So, the sum of the equation is<\/p>\n<p><strong>6)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Given equation can be reduced in the form of $10\\sqrt2 + 3\\sqrt2 &#8211; 6\\sqrt2 = 7\\sqrt2$<br \/>\nHence\u00a0\u00a0$7\\sqrt2$ will be around 9.898<\/p>\n<p><strong>7)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>shortcut :<\/p>\n<p>put c = 0 in\u00a0\u00a0$a^{3}-b^{3}-c^{3}=0$ $\\Rightarrow$\u00a0$a^{3}=b^{3}$<\/p>\n<p>$a^{9}-b^{9}-(0)^{9}-3a^{3} b^{3} (0)^{3}$ =\u00a0$a^{9}-b^{9}$ =\u00a0$(a^{3})^{3}-(b^{3})^{3}$ =\u00a0\u00a0$(a)^{3}-(a)^{3}$ = 0\u00a0 ( $\\because$ $a^{3}=b^{3}$ )<\/p>\n<p>so the answer is option C.<\/p>\n<p>normal method :<\/p>\n<p>$a^{3}-b^{3}-c^{3}=0$<\/p>\n<p>$a^{3}=b^{3}+c^{3}$<\/p>\n<p>cubing on both sides,<\/p>\n<p>$(a^{3})^{3}=(b^{3}+c^{3})^{3}$<\/p>\n<p>$a^{9}=b^{9}+c^{9}+3b^{3} c^{3}(b^{3}+c^{3})$<\/p>\n<p>$a^{9}=b^{9}+c^{9}+3b^{3} c^{3}(a^{3})$<\/p>\n<p>$a^{9}-b^{9}-c^{9}-3a^{3}b^{3} c^{3}=0$<\/p>\n<p>so the answer is option C.<\/p>\n<p><strong>8)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Expression : $\\frac{p^2}{q^2}+\\frac{q^2}{p^2}$ = 1<\/p>\n<p>=&gt; $\\frac{p^{4}+q^{4}}{p^2q^2}$ = 1<\/p>\n<p>=&gt; $p^4+q^4 = p^2q^2$ &#8212;&#8212;&#8212;&#8212;&#8211;Eqn(1)<\/p>\n<p>Now, to find : $(p^{6}+q^{6})$<\/p>\n<p>=&gt; $(p^2)^3 + (q^2)^3$<\/p>\n<p>Using the formula, $a^3 + b^3 = (a+b)(a^2+b^2-ab)$<\/p>\n<p>=&gt; $(p^2+q^2)(p^4+q^4-p^2q^2)$<\/p>\n<p>From eqn (1), we get :<\/p>\n<p>=&gt; $(p^2+q^2)(p^2q^2-p^2q^2)$<\/p>\n<p><span class=\"redactor-invisible-space\">=&gt; $(p^2+q^2)*0$<\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">= 0<\/span><\/span><\/p>\n<p><strong>9)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>If $(m+1) = \\sqrt{n}+3$<\/p>\n<p>=&gt; $m-2 = \\sqrt{n}$ &#8212;&#8212;&#8212;&#8212;&#8211;Eqn(1)<\/p>\n<p>to find : $\\frac{1}{2}(\\frac{m^{3}-6m^{2}+12m-8}{\\sqrt{n}}-n)$<\/p>\n<p style=\"margin-left: 20px;\"><span class=\"redactor-invisible-space\">$\\because (m-2)^3 = m^{3}-6m^{2}+12m-8$<\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">=&gt; $\\frac{1}{2}(\\frac{(m-2)^3}{\\sqrt{n}}-n)$<\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">Using eqn(1), we get :<\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">=&gt; $\\frac{1}{2}(\\frac{(\\sqrt{n})^3}{\\sqrt{n}}-n)$<\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">=&gt; $\\frac{1}{2}(n-n)$<\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">= 0<\/span><\/span><\/p>\n<p><strong>10)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>If $x=\\frac{a-b}{a+b}$<\/p>\n<p>=&gt; $(1-x) = 1- (\\frac{a-b}{a+b})$<\/p>\n<p><span class=\"redactor-invisible-space\">=&gt; $(1-x) = \\frac{2b}{a+b}$<\/span><\/p>\n<p><span class=\"redactor-invisible-space\">Similarly, $(1+x) = \\frac{2a}{a+b}$<\/span><\/p>\n<p><span class=\"redactor-invisible-space\">Applying the same method, we get :<\/span><\/p>\n<p><span class=\"redactor-invisible-space\">=&gt; $(1-y) = \\frac{2c}{b+c}$<span class=\"redactor-invisible-space\"> and =&gt; $(1+y) = \\frac{2b}{b+c}$<\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">=&gt; $(1-z) = \\frac{2a}{c+a}$<span class=\"redactor-invisible-space\"> and =&gt; $(1+z) = \\frac{2c}{c+a}$<\/span><\/span><\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">Putting above values in the equation : $\\frac{(1-x)(1-y)(1-z)}{(1+x)(1+y)(1+z)}$<\/span><\/span><\/span><br \/>\n<\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">=&gt; $\\frac{(\\frac{2b}{a+b})(\\frac{2c}{b+c})(\\frac{2a}{c+a})}{(\\frac{2a}{a+b})(\\frac{2b}{b+c})(\\frac{2c}{c+a})}$<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">=&gt; $\\frac{2a*2b*2c}{2a*2b*2c}$<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">= 1<\/span><\/span><\/span><\/span><\/span><\/span><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLSjkMEhzZ_id2-7I4qzP6NHtzXunkeIGG\" target=\"_blank\" class=\"btn btn-alone \">Free MAH MBA CET Preparation Videos<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/www.youtube.com\/playlist?list=PLSjkMEhzZ_id2-7I4qzP6NHtzXunkeIGG\" target=\"_blank\" class=\"btn btn-info \">Take a MAH MBA CET Free Mock Tests<\/a><\/p>\n<p><strong>11)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>$\\frac{\\sqrt{7}-1}{\\sqrt{7}+1}-\\frac{\\sqrt{7}+1}{\\sqrt{7}-1}=a+\\sqrt{7} b$<\/p>\n<p>L.H.S. = $\\frac{\\sqrt{7}-1}{\\sqrt{7}+1}-\\frac{\\sqrt{7}+1}{\\sqrt{7}-1}$<\/p>\n<p style=\"margin-left: 40px;\"><span class=\"redactor-invisible-space\">= $\\frac{(\\sqrt{7}-1)^2 &#8211; (\\sqrt{7}+1)^2}{(\\sqrt{7}-1)(\\sqrt{7}+1)}$<\/span><\/p>\n<p style=\"margin-left: 40px;\"><span class=\"redactor-invisible-space\">= $\\frac{(7+1-2\\sqrt{7})-(7+1+2\\sqrt{7})}{7-1}$<\/span><\/p>\n<p style=\"margin-left: 40px;\"><span class=\"redactor-invisible-space\">= $\\frac{-4\\sqrt{7}}{6}$<\/span><\/p>\n<p style=\"margin-left: 40px;\"><span class=\"redactor-invisible-space\">= $\\frac{-2\\sqrt{7}}{3}$<\/span><\/p>\n<p><span class=\"redactor-invisible-space\">Now, comparing with R.H.S. $a+\\sqrt{7} b$<\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">we get, <\/span><\/span><\/p>\n<p><span class=\"redactor-invisible-space\"><span class=\"redactor-invisible-space\">$a=0$ and $b=\\frac{-2}{3}$<\/span><\/span><\/p>\n<p><strong>12)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>We are given that m = -4 and n = -2<\/p>\n<p>Expression : $m^3 &#8211; 3m^2 + 3m + 3n + 3n^2 + n^3$<\/p>\n<p>= $(m^3 &#8211; 3m^2 + 3m &#8211; 1) + (n^3 + 3n^2 + 3n + 1)$<\/p>\n<p>= $(m-1)^3 + (n+1)^3$<\/p>\n<p>= $(-4-1)^3 + (-2+1)^3$<\/p>\n<p>= $(-5)^3 + (-1)^3$<\/p>\n<p>= $-125 &#8211; 1 = -126$<\/p>\n<p><strong>13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>Expression : $x+\\frac{1}{x}=1$<\/p>\n<p>=&gt; $x^2 + 1 = x$ &#8212;&#8212;Eqn(1)<\/p>\n<p>To find : $\\frac{x^2+3x+1}{x^2+7x+1}$<\/p>\n<p>= $\\frac{(x^2+1) + 3x}{(x^2+1) + 7x}$<\/p>\n<p><span class=\"redactor-invisible-space\">Using eqn(1),we get : <\/span><\/p>\n<p>= $\\frac{x + 3x}{x + 7x} = \\frac{4}{8}$<\/p>\n<p>= $\\frac{1}{2}$<\/p>\n<p><strong>14)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>$x=\\sqrt{a^3\\sqrt{b}\\sqrt{a^3}\\sqrt{b}}$.<\/p>\n<p>here we know that $\\sqrt{b} \\times \\sqrt{b}$ = b<\/p>\n<p>and $\\sqrt{a^3} = a\\sqrt{a}$<\/p>\n<p>hence,$x=\\sqrt{a^3\\sqrt{b}\\sqrt{a^3}\\sqrt{b}}$<span class=\"redactor-invisible-space\"> = $a^2\\sqrt b\\sqrt[4]{a}$<\/span><\/p>\n<p><strong>15)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>Since $\\sqrt[3]{79507}$ = 43<\/p>\n<p>=&gt; $\\sqrt[3]{79.507}$ = 4.3<\/p>\n<p>=&gt; $\\sqrt[3]{0.079507}$ = 0.43<\/p>\n<p>=&gt; $\\sqrt[3]{0.000079507}$ = 0.043<\/p>\n<p style=\"margin-left: 20px;\">=&gt; 4.3+0.43+0.043 = 4.773<\/p>\n<p><strong>16)\u00a0Answer\u00a0(D)<\/strong><\/p>\n<p>Let $x = 3k$ and $y = 4k$<\/p>\n<p>=&gt; $\\frac{2x + 3y}{3y &#8211; 2x}$<\/p>\n<p>= $\\frac{6k + 12k}{12k &#8211; 6k}$<\/p>\n<p>= $\\frac{18}{6}$<\/p>\n<p>= $\\frac{3}{1}$ = 3 : 1<\/p>\n<p><strong>17)\u00a0Answer\u00a0(C)<\/strong><\/p>\n<p>Using the formula, $(x-y)^3 = x^3 &#8211; y^3 -3xy(x-y)$<\/p>\n<p>=&gt; $(m &#8211; 5n)^3 = m^3 &#8211; 125n^3 &#8211; 15mn(m-5n)$<\/p>\n<p>=&gt; $2^3 = m^3 &#8211; 125n^3 &#8211; 15mn*2$<\/p>\n<p style=\"margin-left: 20px;\">=&gt; $m^3 &#8211; 125n^3 &#8211; 30mn = 8$<\/p>\n<p><strong>18)\u00a0Answer\u00a0(A)<\/strong><\/p>\n<p>Expression : $x+\\frac{1}{x}=2$<\/p>\n<p>Squaring both sides<\/p>\n<p>=&gt; $x^2 + \\frac{1}{x^2} + 2 = 4$<\/p>\n<p>=&gt; $x^2 + \\frac{1}{x^2} = 2$<\/p>\n<p>Cubing both sides<\/p>\n<p>=&gt; $x^6 + \\frac{1}{x^6} + 3.x.\\frac{1}{x}(x+\\frac{1}{x}) = 8$<\/p>\n<p>=&gt; $x^6 + \\frac{1}{x^6} = 8-6 = 2$<\/p>\n<p>Again, squaring both sides, we get :<\/p>\n<p>=&gt; $x^{12} + \\frac{1}{x^{12}} + 2 = 4$<\/p>\n<p>=&gt; $x^{12} + \\frac{1}{x^{12}} = 2$<\/p>\n<p><strong>19)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>Expression : $5x + 9y = 5$<\/p>\n<p>Cubing both sides, we get :<\/p>\n<p>=&gt; $(5x + 9y)^3 = 125$<\/p>\n<p>=&gt; $125x^3 + 729y^3 + 135xy(5x+9y) = 125$<\/p>\n<p>=&gt; $125x^3 + 729y^3 + 135xy*5 = 125$<\/p>\n<p style=\"margin-left: 20px;\">Since, $125x^{3}$ + $729y^{3} = 120$<\/p>\n<p>=&gt; $xy = \\frac{5}{5*135} = \\frac{1}{135}$<\/p>\n<p><strong>20)\u00a0Answer\u00a0(B)<\/strong><\/p>\n<p>Expression : $\\frac{(941+149)^{2}+(941-149)^{2}}{(941\\times941+149\\times149)}$<\/p>\n<p>= $\\frac{(941^2 + 149^2 + 2.941.149) + (941^2 + 149^2 &#8211; 2.941.149)}{941^2 + 149^2}$<\/p>\n<p>= $\\frac{2 * (941^2 + 149^2)}{941^2 + 149^2}$<\/p>\n<p>= 2<\/p>\n<p class=\"text-center\"><a href=\"https:\/\/cracku.in\/mah-mba-cet-crash-course\" target=\"_blank\" class=\"btn btn-info \">Enroll to MAH MBA CET Crash Course<\/a><\/p>\n<p class=\"text-center\"><a href=\"https:\/\/play.google.com\/store\/apps\/details?id=in.cracku.app&amp;hl=en_IN&amp;gl=US\" target=\"_blank\" class=\"btn btn-danger \">Download MAH CET Free Mock Test App<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Algebra Questions for MAH MBA CET Exam Download MAH MBA CET Algebra Questions and Answers PDF covering the important questions. Most expected Algebra questions with explanations for MAH MBA CET \/ MMS CET 2021 exam. Take a MAH MBA CET Free Mock Test Get 10 MAH MBA CET mocks for just Rs. 499 Question 1:\u00a0$\\sqrt{8 [&hellip;]<\/p>\n","protected":false},"author":53,"featured_media":44591,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[4409],"tags":[4093,4381],"class_list":{"0":"post-44589","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-mah-mba-cet","8":"tag-algebra-questions","9":"tag-mah-mba-cet"},"better_featured_image":{"id":44591,"alt_text":"Important Questions On Algebra For MAH MBA CET Exam","caption":"Important Questions On Algebra For MAH MBA CET Exam","description":" Important Questions On Algebra For MHCET Exam","media_type":"image","media_details":{"width":960,"height":504,"file":"2021\/01\/fig-29-01-2021_06-26-48.jpg","sizes":{"medium":{"file":"fig-29-01-2021_06-26-48-300x158.jpg","width":300,"height":158,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-300x158.jpg"},"thumbnail":{"file":"fig-29-01-2021_06-26-48-150x150.jpg","width":150,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-150x150.jpg"},"medium_large":{"file":"fig-29-01-2021_06-26-48-768x403.jpg","width":768,"height":403,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-768x403.jpg"},"tiny-lazy":{"file":"fig-29-01-2021_06-26-48-30x16.jpg","width":30,"height":16,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-30x16.jpg"},"td_218x150":{"file":"fig-29-01-2021_06-26-48-218x150.jpg","width":218,"height":150,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-218x150.jpg"},"td_324x400":{"file":"fig-29-01-2021_06-26-48-324x400.jpg","width":324,"height":400,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-324x400.jpg"},"td_696x0":{"file":"fig-29-01-2021_06-26-48-696x365.jpg","width":696,"height":365,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-696x365.jpg"},"td_0x420":{"file":"fig-29-01-2021_06-26-48-800x420.jpg","width":800,"height":420,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-800x420.jpg"},"td_80x60":{"file":"fig-29-01-2021_06-26-48-80x60.jpg","width":80,"height":60,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-80x60.jpg"},"td_100x70":{"file":"fig-29-01-2021_06-26-48-100x70.jpg","width":100,"height":70,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-100x70.jpg"},"td_265x198":{"file":"fig-29-01-2021_06-26-48-265x198.jpg","width":265,"height":198,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-265x198.jpg"},"td_324x160":{"file":"fig-29-01-2021_06-26-48-324x160.jpg","width":324,"height":160,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-324x160.jpg"},"td_324x235":{"file":"fig-29-01-2021_06-26-48-324x235.jpg","width":324,"height":235,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-324x235.jpg"},"td_356x220":{"file":"fig-29-01-2021_06-26-48-356x220.jpg","width":356,"height":220,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-356x220.jpg"},"td_356x364":{"file":"fig-29-01-2021_06-26-48-356x364.jpg","width":356,"height":364,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-356x364.jpg"},"td_533x261":{"file":"fig-29-01-2021_06-26-48-533x261.jpg","width":533,"height":261,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-533x261.jpg"},"td_534x462":{"file":"fig-29-01-2021_06-26-48-534x462.jpg","width":534,"height":462,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-534x462.jpg"},"td_696x385":{"file":"fig-29-01-2021_06-26-48-696x385.jpg","width":696,"height":385,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-696x385.jpg"},"td_741x486":{"file":"fig-29-01-2021_06-26-48-741x486.jpg","width":741,"height":486,"mime-type":"image\/jpeg","source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48-741x486.jpg"}},"image_meta":{"aperture":"0","credit":"","camera":"","caption":"","created_timestamp":"0","copyright":"","focal_length":"0","iso":"0","shutter_speed":"0","title":"","orientation":"0"}},"post":44589,"source_url":"https:\/\/cracku.in\/blog\/wp-content\/uploads\/2021\/01\/fig-29-01-2021_06-26-48.jpg"},"yoast_head":"<!-- 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