Each edge of cube is increased by 50 . what is the percentage increase in its volume
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Let edge of cube be a
Then volume a^3
Now
Edge= a+a×50%
=3a/2
Volume = 27/8a^3
%increase =( 27/8a^3-a^3)×100/a^3
=19/8×100
=*(9×25)×2
=225÷2
=112.5%
Then volume a^3
Now
Edge= a+a×50%
=3a/2
Volume = 27/8a^3
%increase =( 27/8a^3-a^3)×100/a^3
=19/8×100
=*(9×25)×2
=225÷2
=112.5%
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