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.Management Sciences
Category: Volumes
The radius of a circular cylinder is the same as that of a sphere. Their volumes are equal. The height of the cylinder is________?
A. 4/3 times its radius
B. 2/3 times its radius
C. Equal to it’s radius
D. Equal to it’s diameter
The edges of a cuboid are respectively 3cm, 4cm and 12 cm. Find the length of the diagonal of cuboid.
A. 5 cm
B. 19 cm
C. 13 cm
D. 144 cm
How many meters of carpet 50cm, wide will be required to cover the floor of a room 30m * 20m?
A. 1000
B. 600
C. 2400
D. 1200
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The diameter of a cylindrical tin is 6cm and height is 5 cm. Find the volume of the cylinder?
A. 30 π cc
B. 45 π cc
C. 150 π cc
D. 180 π cc
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If the volumes of two cubes are in the ratio 8: 1, the ratio of their edges is_________?
A. 8: 1
B. 2√2 : 1
C. 2 : 1
D. None of these
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The length of the longest rod that can fit in a cubical room of 4 m side is?
A. 8.66 m
B. 5.196 m
C. 6.928 m
D. 7.264 m
A room is 15m long, 4m broad and 3m height. Find the cost of white washing its four walls at 50p per m2 ?
A. Rs.60
B. Rs.57
C. Rs.55
D. Rs.52
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