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.Management Sciences
Category: Mensuration
The radius of a wheel is 22.4 cm. What is the distance covered by the wheel in making 500 resolutions.
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A. 252 m
B. 704 m
C. 352 m
D. 808 m
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The circumferences of two circles are 264 meters and 352 meters. Find the difference between the areas of the larger and the smaller circles.
A. 4192 sq m
B. 4304 sq m
C. 4312 sq m
D. 4360 sq m
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The ratio of the volumes of two cubes is 729 : 1331. What is the ratio of their total surface areas?
A. 81 : 121
B. 9 : 11
C. 729 : 1331
D. 27 : 12
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There are two circles of different radii. The area of a square is 196 sq.cm, whose side is half the radius of the larger circle. The radius of the smaller circle is three-seventh that of the larger circle. What is the circumference of the smaller circle ?
A. 12 π cm
B. 16 π cm
C. 24 π cm
D. 32 π cm
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The area of a square is equal to five times the area of a rectangle of dimensions 125 cm * 64 cm. What is the perimeter of the square?
A. 600 cm
B. 800 cm
C. 400 cm
D. 1000 cm
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The dimensions of a room are 25 feet * 15 feet * 12 feet. What is the cost of white washing the four walls of the room at Rs. 5 per square feet if there is one door of dimensions 6 feet * 3 feet and three windows of dimensions 4 feet * 3 feet each?
A. Rs. 4800
B. Rs. 3600
C. Rs. 3560
D. Rs. 4530
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