Mensuration Questions Practice Question and Answer
8 Q: The circumference of a circle is 792 m. What will be its radius?
1394 05df0b7d0e837331209ea165d
5df0b7d0e837331209ea165d- 1120 mfalse
- 2133 mfalse
- 3145 mfalse
- 4136 mfalse
- 5None of thesetrue
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Answer : 5. "None of these"
Q: The perimeter of a rhombus is 100 cm, if one of its diagonals is 14 cm. Then the area of the rhombus is
1393 05dcb8c5785d84c59cfbb8b3c
5dcb8c5785d84c59cfbb8b3c- 1$$144 m^2 $$false
- 2$$225 m^2 $$false
- 3$$336 m^2 $$true
- 4$$400 m^2 $$false
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Answer : 3. "$$336 m^2 $$"
Q: Three circles of radius 3.5 cm each are placed in such a way that each touches the other two. The area of the portion enclosed by the circles is
1393 05f06dedc8e44862142996e03
5f06dedc8e44862142996e03- 1$$19.68 \ cm^2$$false
- 2$$21.22 \ cm^2$$false
- 3$$1.975 \ cm^2$$false
- 4$$1.967 \ cm^2$$true
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Answer : 4. "$$1.967 \ cm^2$$"
Q: Base of the right prism is an equilateral triangle. If its height reduced to one-fourth and each side of the base is tripled, then the ratio of the volumes of the old prism to the new prism is-
1382 060c19c25c8f0c93c707631d4
60c19c25c8f0c93c707631d4- 14 : 9true
- 29 : 4false
- 37 : 9false
- 45 : 7false
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Answer : 1. "4 : 9 "
Q: The base of a triangle is 15 cm and height is 12 cm. The height of another triangle of double the area having the base 20 cm is
1380 05d7096b19004b376a58bc3c9
5d7096b19004b376a58bc3c9- 19 cmfalse
- 218 cmtrue
- 38 cmfalse
- 412.5 cmfalse
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Answer : 2. "18 cm"
Explanation :
Area of first triangle =1/2*12*15=90
and second triangle Area will be 180 according to question that we can say
180=1/2*h*20
h=18 cm ans
Q: Two circle C1 and C2 touch each other internally at P. Two lines PCA and PDB meet the circles C1 in C, D and C2 in A, B respectively. If ∠BDC = 120o, then the value of ∠ABP is equal to -
1379 06047319e395e94250201228e
6047319e395e94250201228e- 1$$120^o$$false
- 2$$40^o$$false
- 3$$110^o$$false
- 4$$60^o$$true
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Answer : 4. "$$60^o$$"
Q: The ratio of the volume of two right circular cylinder is 2 : 3. And the ratio of their radius is 1 : 2. Find the ratio of their heights?
1371 05ec7cecc9d324637e76ef670
5ec7cecc9d324637e76ef670- 13 : 4false
- 28 : 3true
- 34 : 3false
- 43 : 8false
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Answer : 2. "8 : 3"
Q: The sides of a rectangular plot are in the ratio 5: 4 and its area is equal to 500 sq.m. The perimeter of the plot is:
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5ee1f3e2ebfcbb0504578f73- 180 mfalse
- 2100 mfalse
- 390 mtrue
- 495 mfalse
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