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.Management Sciences
Category: Volumes
The radius of a wire is decreased to one –third if volume remains the same length will increase
A. 1 Time
B. 3 times
C. 6 times
D. 9 times
The volumes of two cubes are in the ratio 27: 125, what shall be the ratio of their surface areas?
A. 6:25
B. 3:5
C. 9:25
D. 16:25
(more…)
The curved surface area of a cylindrical pillar is 264 m2 and its volume is 924 m3. Find the ratio of its diameter to its height.
A. 3 : 7
B. 7 : 3
C. 6 : 7
D. 7 : 6
The area of the cardboard(in cm2) needed to make a box of size 25 cm * 15 cm * 8 cm will be__________?
A. 1390 cm2
B. 695 cm2
C. 1280 cm2
D. 1220 cm2
The surface of a cube is 24sq cm. Find its volume?
A. 8 cc
B. 16 cc
C. 32 cc
D. 64 cc
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