Mensuration Questions Practice Question and Answer
8 Q: A hemispherical bowl of internal radius 18 cm is full of liquid. This liquid is to be filled in cylindrical bottles each of radius 3 cm and height 6 cm. How many bottles are required to empty the bowl
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64abe0d19a74b54cff6d66f2- 172true
- 270false
- 368false
- 466false
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Answer : 1. "72"
Q: What is the area (in cm2 ) of an equilateral triangle of side 20 cm?
397 064479718389f6568216e1d56
64479718389f6568216e1d56- 1$$ 100 \sqrt { 3} \ $$true
- 2200false
- 3$$ 100 \sqrt { 2} \ $$false
- 4100false
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Answer : 1. "$$ 100 \sqrt { 3} \ $$"
Q: The areas of three adjacent faces of a cuboidal tank are 3 m2, 12 m2 and 16 m2. The capacity of the tank, in litres, is:
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64be6a8d88d5e4f52def40a1- 136000false
- 272000false
- 324000true
- 448000false
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Answer : 3. "24000"
Q: The radii of the ends of a frustum of a cone 7 cm high are 5 cm and 3 cm. Find its volume correct to one decimal place. (Use π=22/7)
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647f53b7a33e0f47b76f69fd- 1345.6 cm3false
- 2359.3 cm3true
- 3379.3 cm3false
- 4369.3 cm3false
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Answer : 2. "359.3 cm3"
Q: A spherical metallic shell with 6 cm external radius weighs 6688 g. What is the thickness of the shell if the density of metal is 10.5 g per cm3? (Take л = 22/7)
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64be5f6f88d5e4f52def2c6a- 14 cmfalse
- 2$$2{1\over 2}$$ cmfalse
- 33 cmfalse
- 42 cmtrue
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Answer : 4. "2 cm"
Q: The sum of length, breadth and height of a cuboid is 20 cm. If the length of the diagonal is 12 cm, then find the total surface area of cuboid.
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64ccde3b047511ce00802aa9- 1364 $${{cm^2}}$$false
- 2256 $${{cm^2}}$$true
- 3356 $${{cm^2}}$$false
- 4264 $${{cm^2}}$$false
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Answer : 2. "256 $${{cm^2}}$$"
Q: If the arcs of square length in two circles subtend angles of 60° and 75° at their centres, the ratio of their radii is
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645cdd8045f1450a80b9bbd0- 13 : 4false
- 24 : 5false
- 35 : 4true
- 43 : 5false
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Answer : 3. "5 : 4 "
Q: A metallic solid spherical ball of radius 3 cm is melted and recast into three spherical balls. The radii of two of these balls are 2 cm and 1.5 cm. What is the surface area (in cm2) of the third ball?
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64c8d7148f85ca715581d14b- 150 πfalse
- 2$${25\over 4}π$$false
- 3$$25 π$$true
- 4$${25\over 2}π$$false
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