1.

The side of a cube is 4 m. If it is doubled, how many times will be the volume of the new cube, as compared with the original cube?(A) Two times (B) Three times (C) Four times (D) Eight times

Answer» V of original cube={4}^{3}
=64
Side of new cube=2×4=8
So V of new cube={8}^{3}
=512
Ratio of V of new cube to the original cube=512/64
=8 times
thus,ANSWER is(D)EIGHT times.
hope it HELPS you....


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