Mensuration Questions Practice Question and Answer
8 Q: A solid metallic sphere of radius 12 cm is melted and recast into a cone having diameter of the base as 12 cm. What is the height of the cone?
394 0648725afbf323e479aa75ce3
648725afbf323e479aa75ce3- 1258 cmfalse
- 2224 cmfalse
- 3166 cmfalse
- 4192 cmtrue
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Answer : 4. "192 cm"
Q: Area of the floor of a cubical room is 64 m2. The length of the longest rod that can be kept in the room is:
385 06481875e772333474b9de219
6481875e772333474b9de219- 1$$16 \sqrt { 2} $$false
- 2$$4 \sqrt { 3} $$false
- 3$$12 \sqrt { 3} $$false
- 4$$8 \sqrt { 3} $$true
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Answer : 4. " $$8 \sqrt { 3} $$"
Q: The diameters of two circles are 12 cm and 20 cm, respectively and the distance between their centres is 16 cm. Find the number of common tangents to the circles.
517 064818bbba33e0f47b7758618
64818bbba33e0f47b7758618- 11false
- 22false
- 33true
- 44false
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Answer : 3. "3"
Q: If two circles of radii 18 cm and 8 cm touch externally, then the length of a direct common tangent is:
399 0648185a2f4063d472f33b3b4
648185a2f4063d472f33b3b4- 124 cmtrue
- 216 cmfalse
- 314 cmfalse
- 412 cmfalse
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Answer : 1. "24 cm"
Q: The minute hand of a clock is 20 cm long. Find the area on the face of the clock swept by the minute hand between 8 a.m. and 8:45 a.m.
367 06480419823e51f4777046b87
6480419823e51f4777046b87- 1$${6600\over 18}cm^2$$false
- 2$${6600\over 7}cm^2$$true
- 3$${6600\over 14}cm^2$$false
- 4$${6600\over 9}cm^2$$false
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Answer : 2. "$${6600\over 7}cm^2$$"
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)
368 0647f53b7a33e0f47b76f69fd
647f53b7a33e0f47b76f69fd- 1345.6 cm3false
- 2359.3 cm3true
- 3379.3 cm3false
- 4369.3 cm3false
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Answer : 2. "359.3 cm3"
Q: The area of a triangle is 96 cm2 and the ratio of its sides is 6 : 8 : 10. What is the perimeter of the triangle?
652 0647f531f62f8ada0354db5c6
647f531f62f8ada0354db5c6- 148 cmtrue
- 256 cmfalse
- 364 cmfalse
- 444 cmfalse
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Answer : 1. "48 cm"
Q: The radius of a right circular cylinder is four times of its height. If the height of the cylinder is 14 cm, then what is the volume of cylinder?
321 0647f50c2bf323e479a9383c6
647f50c2bf323e479a9383c6- 1false
15468 cm3
- 2false
14262 cm3
- 3true
137984 cm3
- 4false
11296 cm3
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