{"id":33776,"date":"2019-08-21T12:33:41","date_gmt":"2019-08-21T07:03:41","guid":{"rendered":"https:\/\/cracku.in\/blog\/?p=33776"},"modified":"2019-08-21T12:34:11","modified_gmt":"2019-08-21T07:04:11","slug":"mensuration-questions-for-rrb-group-d-set-2-pdf","status":"publish","type":"post","link":"https:\/\/cracku.in\/blog\/mensuration-questions-for-rrb-group-d-set-2-pdf\/","title":{"rendered":"Mensuration Questions for RRB Group-D Set-2 PDF"},"content":{"rendered":"

Mensuration Questions for RRB Group-D Set-2 PDF<\/strong><\/span><\/h2>\n

Download Top-15 RRB Group-D Mensuration Questions PDF.\u00a0RRB GROUP-D Mensuration set-2 questions based on asked questions in previous exam papers very important for the Railway Group-D exam.<\/p>\n

Download Mensuration Questions for RRB Group-D set-2 PDF<\/a><\/p>\n\n

Download RRB Group-D Previous Papers PDF<\/a><\/p>\n

Take a RRB Group-D free mock test<\/a><\/p>\n

Question 1:\u00a0<\/b>Find the length of inradius of triangle of sides 3,4 and 5.<\/p>\n

a)\u00a01<\/p>\n

b)\u00a02<\/p>\n

c)\u00a03<\/p>\n

d)\u00a04<\/p>\n

e)\u00a0None of these<\/p>\n

Question 2:\u00a0<\/b>Find the area of the trapezium with the parallel sides of length 7 cm and 8 cm and height 18 cm?<\/p>\n

a)\u00a0135 $cm^2$<\/p>\n

b)\u00a0120 $cm^2$<\/p>\n

c)\u00a0150 $cm^2$<\/p>\n

d)\u00a0270 $cm^2$<\/p>\n

e)\u00a0250 $cm^2$<\/p>\n

Question 3:\u00a0<\/b>If the diagonal of the rectangle is of length $\\sqrt{41}$ cm and the area is equal to 20 $cm^2$, find the perimeter of rectangle?<\/p>\n

a)\u00a015 cm<\/p>\n

b)\u00a06 cm<\/p>\n

c)\u00a09 cm<\/p>\n

d)\u00a018 cm<\/p>\n

e)\u00a024 cm<\/p>\n

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Question 4:\u00a0<\/b>There is a solid cube of side 10 cm. An ant starts at one corner of the cube and travels to the diagonally opposite corner. The ant travels in such a way that it covers the least distance. What is the distance covered by the ant?<\/p>\n

a)\u00a0$30\\ cm$<\/p>\n

b)\u00a0$10\\sqrt2\\ cm$<\/p>\n

c)\u00a0$10\\sqrt5\\ cm$<\/p>\n

d)\u00a0$(10 + 10\\sqrt2)\\ cm$<\/p>\n

e)\u00a0$10\\sqrt3\\ cm$<\/p>\n

Question 5:\u00a0<\/b>The area of a rectangular cardboard is 40 $cm^2$, with one side equal to 8 cm. If a circle is drawn on the largest square piece that can be cut from the cardboard, what is the area of the circle?<\/p>\n

a)\u00a0$2.25\\pi\\ cm^2$<\/p>\n

b)\u00a0$4.25\\pi\\ cm^2$<\/p>\n

c)\u00a0$6.25\\pi\\ cm^2$<\/p>\n

d)\u00a0$8.25\\pi\\ cm^2$<\/p>\n

e)\u00a0Cannot be determined<\/p>\n

Question 6:\u00a0<\/b>Find the volume of the cone of radius 9cm and slant height 15cm?<\/p>\n

a)\u00a01019$cm^2$<\/p>\n

b)\u00a01257$cm^2$<\/p>\n

c)\u00a01143$cm^2$<\/p>\n

d)\u00a01087$cm^2$<\/p>\n

e)\u00a01197$cm^2$<\/p>\n

Question 7:\u00a0<\/b>Find the area of the square if the maximum area of the circle which can be inscribed in the square is 154 square units.<\/p>\n

a)\u00a0169 square units<\/p>\n

b)\u00a0144 square units<\/p>\n

c)\u00a0196 square units<\/p>\n

d)\u00a0225 square units<\/p>\n

e)\u00a0None of these.<\/p>\n

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Daily Free RRB Online Test<\/a><\/p>\n

Question 8:\u00a0<\/b>The diagonal of a rectangle is $4\\sqrt5$ cm and the area is 32 $cm^2$. What is the perimeter of the rectangle ?<\/p>\n

a)\u00a018 cm<\/p>\n

b)\u00a036 cm<\/p>\n

c)\u00a012 cm<\/p>\n

d)\u00a024 cm<\/p>\n

e)\u00a016 cm<\/p>\n

Question 9:\u00a0<\/b>Find the area of the square if its perimeter is equal to that of triangle of sides 8cm, 10cm, 6cm.<\/p>\n

a)\u00a049<\/p>\n

b)\u00a016<\/p>\n

c)\u00a025<\/p>\n

d)\u00a036<\/p>\n

e)\u00a0None of these.<\/p>\n

Question 10:\u00a0<\/b>A cardboard of dimension 24cm x 16cm is converted into an open box by cutting off squares of side 6cm from all four sides and folding it. What is the volume of the open box ?<\/p>\n

a)\u00a02304 cm$^2$<\/p>\n

b)\u00a0384 cm$^3$<\/p>\n

c)\u00a0288 cm$^3$<\/p>\n

d)\u00a0200 cm$^3$<\/p>\n

e)\u00a01080 cm$^3$<\/p>\n

RRB Group-D Important Questions (download PDF)<\/a><\/p>\n\n

Question 11:\u00a0<\/b>A room is 12m long and 8m broad. The area of the 4 walls of the room is 48m$^2$ more than the sum of areas of the floor and the ceiling. Find the volume of the room ?<\/p>\n

a)\u00a0600m$^2$<\/p>\n

b)\u00a0476m$^2$<\/p>\n

c)\u00a0450m$^2$<\/p>\n

d)\u00a0576m$^2$<\/p>\n

e)\u00a0400m$^2$<\/p>\n

Question 12:\u00a0<\/b>Find the area of the rhombus of diagonal lengths 12cm and 14cm.<\/p>\n

a)\u00a076<\/p>\n

b)\u00a060<\/p>\n

c)\u00a072<\/p>\n

d)\u00a092<\/p>\n

e)\u00a084<\/p>\n

Question 13:\u00a0<\/b>A cylindrical tank has base radius of 3.5m and height of 10m. If a tap fills the tank at the rate of $2m^3$ per minute then how much time would it take to fill an empty tank?<\/p>\n

a)\u00a02 hours 50 mins<\/p>\n

b)\u00a02 hours 55.5 mins<\/p>\n

c)\u00a03 hours 12.5 mins<\/p>\n

d)\u00a03 hours 37.5 mins<\/p>\n

e)\u00a0None of the above<\/p>\n

Question 14:\u00a0<\/b>Find the area of the trapezium if its parallel sides are of length 13cm and 7 cm respectively and the distance between the parallel sides is 5cm?<\/p>\n

a)\u00a020<\/p>\n

b)\u00a040<\/p>\n

c)\u00a070<\/p>\n

d)\u00a060<\/p>\n

e)\u00a050<\/p>\n

Question 15:\u00a0<\/b>Find the value of the exterior angle to B in an isosceles triangle ABC with AB = AC, if Angle A = 100 degrees.<\/p>\n

a)\u00a040 degrees<\/p>\n

b)\u00a0100 degrees<\/p>\n

c)\u00a0140 degrees<\/p>\n

d)\u00a0110 degrees<\/p>\n

e)\u00a090 degrees<\/p>\n

General Science Notes for RRB Exams (PDF)<\/a><\/p>\n\n

Answers & Solutions:<\/strong><\/span><\/p>\n

1)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

Area = r*s =$\\sqrt{s(s-a)(s-b)(s-c)}$
\ns = (3+4+5)\/2 = 6
\n6*r = $\\sqrt{6(6-3)(6-4)(6-5)}$
\n6*r = 6
\nr = 1<\/p>\n

2)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

Area of trapezium = 0.5(Sum of parallel sides)(Height)
\n= 0.5(7+8)(18) = 15*9 = 135 $cm^2$<\/p>\n

3)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

Let the length and the breadth be l and b respectively.
\n$\\sqrt{l^2+b^2} = \\sqrt{41}$
\n$l^2+b^2 = 41$
\nlb = 20
\n2lb = 40
\n$l^2+b^2+2lb = 41+40$
\n$(l+b)^2 = 81$
\nl+b = 9
\n2(l+b) = 18 cm<\/p>\n

4)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

<\/p>\n

Let the ant start from point A. It has to reach point E. The ant will travel the least distance when it travels along AG – GE, Here, AE forms the diagonal of the rectangle AFED if the cube is cut along AD and the surface ABCD is lifted to make it level with BFEC. In this case, AF = 20 cm and FE = 10 cm. So, the length of the diagonal is $\\sqrt{10^2 + 20^2}$ = $10\\sqrt5\\ cm$<\/p>\n

5)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

One side of the rectangle is 8 cm and the area is 40 $cm^2$. So, the other side is 5 cm. So, the largest square that can be cut out of the rectangle is a square with side 5 cm.
\nSo, the diameter of the circle inscribed in that square is 5 cm
\nArea of the circle = $\\pi * r^2 = \\pi * 2.5^2 = 6.25\\pi\\ cm^2$<\/p>\n

6)\u00a0Answer\u00a0(A)<\/strong><\/p>\n

$r^2+h^2 = l^2$
\n$9^2+h^2 = 15^2$
\nh = 12
\nVolume = (1\/3)*(22\/7)*9*9*12 =$1019cm^2$<\/p>\n

7)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

Let the side of the square be x.
\nDiameter of the circle = x
\n(22\/7)*x\/2*x\/2 = 154
\n$x^2$ = 7*7*4
\nx = 14
\nArea of the square = 14*14 = 196 square units.<\/p>\n

8)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

Given,diagonal of rectangle = $\\sqrt{l^2 + b^2} = 4\\sqrt5 = \\sqrt{80} $
\nalso given, lb = 32
\n$(l + b)^2 = l^2 + b^2 + 2lb = 80 + 2\\times32 = 144$
\n=> l + b = 12
\nthus, perimeter = 2(l + b) = 24 cm<\/p>\n

9)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

Perimeter of square = 4a
\n4a = 8+10+6 = 24
\na = 6
\nArea of square =$a^2$ = 6*6 = 36<\/p>\n

10)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

Length of the open box = (24 – 2×6 ) = 12 cm
\nBreadth of the open box = (16 – 12) = 4 cm
\nHeight of the open box = 6 cm
\nThus, volume of the open box = 12 x 4 x 6 = 288 cm$^3$<\/p>\n

11)\u00a0Answer\u00a0(D)<\/strong><\/p>\n

area of 4 walls = 2(lh) + 2(bh)
\narea of floor + ceiling = 2lb = 2x12x8 = 192m
\nGiven, 2lh + 2bh = 192 + 48
\n12h + 8h = 120
\nthus, h = 6m
\n\u2234: the volume of the room = lxbxh = 12x8x6 = 576m$^2$<\/p>\n

12)\u00a0Answer\u00a0(E)<\/strong><\/p>\n

Area of the rhombus =$\\frac{1}{2}*12*14 = 84$<\/p>\n

13)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

Volume of cylindrical tank = $\\pi r^2 h$ = $\\frac{22}{7}* 7\/2 * 7\/2 * 10$ =385 $m^3$.
\nHence, time taken =385\/2 minutes = 192.5 minutes = 3 hours 12.5 mins<\/p>\n

14)\u00a0Answer\u00a0(E)<\/strong><\/p>\n

Let the parallel sides be of length 13cm and 7cm.
\nArea =$\\frac{1}{2}(13+7)(5) = 50$<\/p>\n

15)\u00a0Answer\u00a0(C)<\/strong><\/p>\n

Since AB = AC, Angle B = Angle C = x
\n100+x+x = 180
\nx = 40 degrees
\nExterior Angle to B = Angle A + Angle C
\nExterior Angle to B = 100 + 40 = 140 degrees<\/p>\n\n

DOWNLOAD APP FOR RRB FREE MOCKS<\/a><\/p>\n

We hope this Mensuration Questions set-2 PDF for RRB Group-D Exam will be highly useful for your preparation.<\/p>\n","protected":false},"excerpt":{"rendered":"

Mensuration Questions for RRB Group-D Set-2 PDF Download Top-15 RRB Group-D Mensuration Questions PDF.\u00a0RRB GROUP-D Mensuration set-2 questions based on asked questions in previous exam papers very important for the Railway Group-D exam. Download RRB Group-D Previous Papers PDF Take a RRB Group-D free mock test Question 1:\u00a0Find the length of inradius of triangle of […]<\/p>\n","protected":false},"author":41,"featured_media":33785,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_mi_skip_tracking":false,"footnotes":""},"categories":[169,125,31,1679],"tags":[491,1637,492,2052,1647],"class_list":{"0":"post-33776","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-downloads","8":"category-featured","9":"category-railways","10":"category-rrb-group-d","11":"tag-rrb","12":"tag-rrb-exam","13":"tag-rrb-group-d","14":"tag-rrb-maths","15":"tag-rrb-mocks"},"better_featured_image":{"id":33785,"alt_text":"Mensuration Questions for RRB Group-D Set-2 Download PDF","caption":"Mensuration Questions for RRB Group-D Set-2 Download PDF","description":"Mensuration Questions for RRB Group-D 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