The length of a rectangle is increased by 60 By what per cent would the width have to be decreased t...........

Quantitative Aptitude( Paper-I ) Percentage

The length of a rectangle is increased by 60%. By what per cent would the width have to be decreased to maintain the same area?

This questions was previously asked in

CAPF 2017 Paper-1

37.5 %

60%

75%

120%

60% = 3/5 => After increase = 8/5
Area = LxB
(8/5)xB = 1
B = 5/8(decreased fraction)
so Decrease in breadth is (3/8)x100 = 37.5%

Submit Error