In redesigning a cold storage, the length is increased by 30%, the breadth is increased by 50% and the height is reduced by 20%. What is the next increase In the volume of the redesigned cold storage compared to the previous design?

In redesigning a cold storage, the length is increased by 30%, the breadth is increased by 50% and the height is reduced by 20%. What is the next increase In the volume of the redesigned cold storage compared to the previous design?

A 50%

B 56%

C 60%

D 40%

Solution

Correct Answer: Option B

Shortcut=

%C=|100-(130x150x80)/100x100|

=56