SBI PO Approximation Questions PDF
Approximation Questions for SBI PO Prelims and Mains exam. Download SBI PO Approximation questions on with solutions.
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Instructions
What approximate value will come at the place of question mark ‘?’ in the following question?
Question 1: $27\%$ of $ ?^4 = 24.3 * 6.94$
a) 6.5
b) 4
c) 7
d) 4.5
e) 5
Question 2: $ 273.98 * \frac{3}{7} + \sqrt{840} $ = ?
a) 172
b) 146
c) 158
d) 134
e) 150
Question 3: 18.94% of 264 + ? + 33.1% of 327 = 451
a) 280.38
b) 314.12
c) 292.84
d) 324.72
e) 286.66
Question 4: $\frac{\sqrt{2} * (97.97 + ?^2)}{4.24} = 49$
a) 9
b) 11.5
c) 8
d) 7
e) 6.5
Question 5: $27.99^2 / 3 + ? = 167.05 + 17*10.4$
a) 65.7
b) 82.5
c) 78.3
d) 73.5
e) 69.3
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Instructions
What approximate value will come at the place of question mark ‘?’ in the following question?
Question 6: ?% of $6.02^4$ = 9.1*19.9
a) 24
b) 12
c) 17
d) 21
e) 14
Question 7: 66.69% of (22.5% of (16.48% of 250.49) = ?
a) 5.4
b) 6.2
c) 6.8
d) 7.2
e) 5.8
Question 8: 51.49% of 636 – 82.08% of 211 = ?
a) 143.3
b) 161.3
c) 154.5
d) 171.3
e) 182.5
Question 9: $\frac{\sqrt{421+364} + ?^3}{14.89}$ = 90.6
a) 14
b) 15
c) 13
d) 11
e) 17
Question 10: $18.98^2 + ? = 31.994 * 17.017 + 574.98/5$
a) 324
b) 298
c) 276
d) 282
e) 304
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Question 11: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{29.96}{5.08} – \frac{7.99}{4.01} + \frac{31.97}{7.94}$
a) $6$
b) $7$
c) $8$
d) $9$
e) $10$
Question 12: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{107.94}{2.99*3.02} – \frac{44.92}{8.97}$
a) $6$
b) $7$
c) $8$
d) $9$
e) $10$
Question 13: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{71.94}{8.99} * \frac{62.91}{7.02}$
a) $64$
b) $72$
c) $80$
d) $81$
e) $63$
Question 14: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$50.011 – \frac{35.996}{42.007} *48.998$
a) $6$
b) $7$
c) $8$
d) $9$
e) $10$
Question 15: What approximate value will come in place of question mark (?) in the following questions? (You are not expected to calculate the exact value)
$\frac{\sqrt{80.98 * 440}}{6.99}$
a) $24$
b) $27$
c) $30$
d) $32$
e) $36$
Instructions
What approximate value will come at the place of question mark ‘?’ in the following question?
Question 16: ? % of $6.998^{3} = 21 \times 23.7$
a) 156
b) 134
c) 187
d) 161
e) 145
Question 17: 125% of 852 + 64.008 * 18.994 = ?
a) 2267
b) 2281
c) 2293
d) 2175
e) 2196
Question 18: (54.98% of 994.97) / (74.08% of 324.05) = ?
a) 2.7
b) 2.1
c) 2.3
d) 3
e) 3.3
Question 19: $\frac{\sqrt[3]{19375 + 5014}+ 28^2}{?}$ = 24.57
a) 27
b) 36
c) 31
d) 33
e) 29
Question 20: $\frac{22.98^{3}}{5}$ + ? = 17.97 * 124.005 + 428.79
a) 199
b) 228
c) 217
d) 245
e) 194
Answers & Solutions:
1) Answer (E)
$27\%$ of $ ?^4$ = 24.3 * 6.94 can be approximately written as
$0.27 * ?^4 = 24.3 * 7$
$0.27 * ?^4 = 170.1$
$ ?^4 = 630$
? = 5 approx.
Hence, option E is the correct choice.
2) Answer (B)
$ 273.98 * \frac{3}{7} + \sqrt{840} $ = ? can be approximately written as
$ 273*\frac{3}{7} + \sqrt{841} $ = ?
117 + 29 = 146 approx.
Hence, option B is the correct choice.
3) Answer (C)
18.94% of 264 + ? + 33.1% of 327 = 451 can be approximately written as
0.19 of 264 + ? + 0.33 * 327 = 451
50.16 + ? + 108 = 451
? = 292.84
Hence, option C is the correct choice.
4) Answer (D)
$\frac{\sqrt{2} * (97.97 + ?^2)}{4.24} = 49$ can be approximately written as,
$\frac{49 * 4.24}{\sqrt{2}} =98 + ?^2$
$49 * 3 = 2*49 + ?^2$
$?^2 = 49$
? = 7
Hence, option D is the correct option.
5) Answer (B)
$27.99^2 / 3 + ? = 167.05 + 17*10.4$ can be approximately written as
$28^2 / 3 + ? = 17*10.4 + 167$
784/3 + ? = 176.8 + 167
? = 343.8 – 261.33 = 82.5 approx.
Hence, option B is the correct choice.
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6) Answer (E)
?% of $6.02^4$ = 9.1*19.9
?% * 1296 = 180
?% = 0.13888
? = 14 approx.
Hence, option E is the correct choice.
7) Answer (B)
66.69% of (22.5% of (16.48% of 250.49) = ?
$\frac{2}{3}$ * $\frac{0.9}{4}$ * $\frac{0.33}{2} *250 = ?
? = 6.1875 = 6.2 approx.
Hence, option B is the correct choice.
8) Answer (C)
51.49% of 636 – 82.08% of 211 = ?
0.515*636 – 0.82*211 = ?
? = 327.5 – 173 = 154.5
Hence, option c is the correct choice.
9) Answer (D)
$\frac{\sqrt{421+364} + ?^3}{14.89}$ = 90.6
$\frac{\sqrt{785} + ?^3}{15}$ = 90.6
$\frac{28 + ?^3}{15}$ = 90.6
28 + $?^3$ = 1359
$?^3$ = 1331
? = 11
Hence, option D is the correct option.
10) Answer (B)
$18.98^2 + ? = 31.994 * 17.017 + 574.98/5$ can be approximately written as
$19^2 + ? = 32 * 17 + 575/5$
$361 + ? = 544 + 115$
$? = 298$
Hence, option B is the correct choice.
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11) Answer (C)
The given expression can be approximated to $\frac{30}{5} – \frac{8}{4} + \frac{32}{8}$
= $6 – 2 + 4$
=$8$.
Therefore, option C is the right answer.
12) Answer (B)
The given expression can be approximated to $\frac{108}{3*3} – \frac{45}{9}$
=$\frac{108}{9} – \frac{45}{9}$
=$\frac{63}{9}$
=$7$.
Therefore, option B is the right answer.
13) Answer (B)
The given expression can be approximated to $\frac{72}{9} * \frac{63}{7}$.
=$8*9$
=$72$
Therefore, option B is the right answer.
14) Answer (C)
The given expression can be simplified as $50 – \frac{36}{42} *49$
=$50 – \frac{6}{7} *49$
=$50 – 42$
= $8$.
Therefore, option C is the right answer.
15) Answer (B)
The given expression can be approximated to $\frac{\sqrt{81 * 441}}{7}$
=$\frac{9*21}{7}$
=$9*3$
=$27$.
Therefore, option B is the right answer.
16) Answer (E)
?% of $6.998^3 = 21 \times 23.7$ can be written as
?% of $7^{3} = 497.3$
?% * 343 = 497.3
?% = 1.45
? = 145
Hence, option E is the correct choice.
17) Answer (B)
125% of 852 + 64.008 * 18.994 can be approximately written as
$\frac{5}{4}$ * 852 + 64*19
= 1065 + 1216
= 2281
Hence, option B is the correct choice.
18) Answer (C)
(54.98% of 994.97) / (74.08% of 324.05) = ? can be written as
$\frac{0.55*995}{0.74*324} = \frac{547.25}{239.76}$ = 2.3 approx.
Hence, option C is the correct choice.
19) Answer (D)
$\frac{\sqrt[3]{19375 + 5014}+ 28^2}{?}$ = 24.57 can be written as
$\frac{\sqrt[3]{24389}+ 784}{?}$ = 24.57
? = $\frac{29 + 784}{24.57}$ = 33 approx.
Hence, option D is the correct option.
20) Answer (B)
$\frac{22.98^{3}}{5}$ + ? = 17.97 * 124.005 + 428.99 can be approximately written as
$\frac{23^{3}}{5}$ + ? = 18 * 124 + 429
$\frac{12167}{5}$ + ? = 2232 + 429
? = 2661 – 2433 = 228
Hence, option B is the correct choice.
