SSC CHSL 6 Dec 2015 Shift 2 Paper

Question : 119 of 200

Marks: +1, -0

If water is freezed to become ice, its volume is increased by 10%, then if the ice is melted to water again, its volume will be decreased by:

Solution:

Let initial volume of water = 10 cm

^3

Increase in volume = 10%
⇒ Volume of ice =

10×(110)/100=11cm^3

If the ice is melted to water again, its volume will be decreased by =

(11−10)/11×100

100/11=9{1/11}%

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