Mensuration Practice Question and Answer
8 Q: If the radius of a circle is increased by 15% its area increases by _____.
733 062ea39c9ceafbe581b7580ab
62ea39c9ceafbe581b7580ab- 130 percentfalse
- 232.25 percenttrue
- 315 percentfalse
- 416.125 percentfalse
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Answer : 2. "32.25 percent"
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
730 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 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
727 063108eeb7c72c07784687971
63108eeb7c72c07784687971- 132 sq cmfalse
- 2216 sq cmtrue
- 3435 sq cmfalse
- 4108 sq cmfalse
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Answer : 2. "216 sq cm"
Q: A kite in the shape of a square with a diagonal 32 cm attached to an equilateral triangle of the base 8 cm. Approximately how much paper has been used to make it? (Use √3 = 1.732)
725 06332e8512ff7535af6729e43
6332e8512ff7535af6729e43- 1$$539.712 cm^2$$true
- 2$$538.721 cm^2$$false
- 3$$540.712 cm^2$$false
- 4$$539.217 cm^2$$false
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Answer : 1. "$$539.712 cm^2$$"
Q: A The cost of building a fence around a circular field is ₹7,425 at the rate of 13.50 per foot. What is the area of the circular field? [use $$π={22\over 7}$$]
724 16433c237a16c2dfa9cdad88c
6433c237a16c2dfa9cdad88c- 125018.5 $${{ft^2}}$$false
- 223864.4 $${{ft^2}}$$false
- 324062.5 $${{ft^2}}$$false
- 424644.5 $${{ft^2}}$$true
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Answer : 4. "24644.5 $${{ft^2}}$$"
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.
724 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: A circular grass field of diameter 42 m is surrounded by a path of width 3.5 m. What will be the cost of graveling the path at the rate ₹ 4 square meter?
723 064537c90f3618908bf5d8d30
64537c90f3618908bf5d8d30- 1₹ 1001false
- 2₹ 2002true
- 3₹ 500.5false
- 4₹ 2012false
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Answer : 2. "₹ 2002 "
Q: The perimeter of a square with diagonal 29√2 cm is equal to the perimeter of a rectangle. Find the area of the rectangle if the length of the rectangle is 8 cm more than the breadth of the rectangle?
721 063d0deca5392140e28ef699e
63d0deca5392140e28ef699e- 1820false
- 2825true
- 3625false
- 4725false
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