Mensuration Questions Practice Question and Answer
8 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.
774 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 diagonal of a square A is (a+b). The diagonal of a square whose area is twice the area of square A, is
772 06331934a31300b7ce48a6715
6331934a31300b7ce48a6715- 12 (a+b)false
- 2$${2(a+b)^2}$$false
- 3$$\sqrt { 2} \ (a+b)$$true
- 4$$\sqrt { 2}\ (a-b)$$false
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Answer : 3. "$$\sqrt { 2} \ (a+b)$$"
Q: The length of a rectangular garden is 12 metres and its breadth is 5 metres. Find the length of the diagonal of a square garden having the same area as that of the rectangular garden:
771 06332e9b531300b7ce49074d5
6332e9b531300b7ce49074d5- 12√30 mtrue
- 2√13 mfalse
- 313 mfalse
- 48√15 mfalse
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Answer : 1. "2√30 m "
Q: The volume of a cuboid is 2 times the volume of a cube. If the dimensions of the side are 9 cm by 8 cm and 6 cm, then the total surface area of the cube is
766 063108eeb7c72c07784687971
63108eeb7c72c07784687971- 132 sq cmfalse
- 2216 sq cmtrue
- 3435 sq cmfalse
- 4108 sq cmfalse
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Answer : 2. "216 sq cm"
Q: The area of a right-angled isosceles triangle having hypotenuse 16√2 cm is
763 064d23868ebd5c374726efcd1
64d23868ebd5c374726efcd1- 1false
144 cm2
- 2true
128 cm2
- 3false
112 cm2
- 4false
110 cm2
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Answer : 2. "128 cm2
"
Q: If the length of the diagonal AC of a square ABCD is 5.2 cm, then the area of the square is?
762 06218eb743e501f3ab0a876b7
6218eb743e501f3ab0a876b7- 115.12 sq.cmfalse
- 213.52 sq.cmtrue
- 312.62 sq.cmfalse
- 410.00 sq.cmfalse
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Answer : 2. "13.52 sq.cm"
Q: The ratio of the area of a square to that of the square drawn on its diagonal is
762 062fce80d047feb079265c0ee
62fce80d047feb079265c0ee- 11 : 3false
- 21 : 4false
- 31 : 1false
- 41 : 2true
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Answer : 4. "1 : 2"
Q: If the radius of a circle is increased by 15% its area increases by _____.
760 062ea39c9ceafbe581b7580ab
62ea39c9ceafbe581b7580ab- 130 percentfalse
- 232.25 percenttrue
- 315 percentfalse
- 416.125 percentfalse
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