A rectangular sheet of metal is 40 cm by 15 cm. Equal squares of side 4 cm are cut off at the corners and the remaining is folded up to form an open rectangular box. The volume of the box is
A. 896 cm3
B. 986 cm3
C. 600 cm3
D. 916 cm3
Answer: Option A
Solution (By Examveda Team)
Volume of the box = $$l$$ × b × h= (40 - 8) × (15 - 8) × 4
= 32 × 7 × 4
= 896 cm3
This Question Belongs to Arithmetic Ability >> Mensuration 3D
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B. 4.224 cm3
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A sphere and a hemisphere have the same volume. The ratio of their curved surface area is:
A. $${2^{\frac{3}{2}}}:1$$
B. $${2^{\frac{2}{3}}}:1$$
C. $${4^{\frac{2}{3}}}:1$$
D. $${2^{\frac{1}{3}}}:1$$
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