13.

A number is increased by 10% and then decrease by 10%. Find the net decrease percent.

Group 1 - 2017

14.

The length of a rectangle is increased by 60%. By what percent would the width have to be decreased so as to maintain the same area

Group 2A - 2016

15.

If the length of a rectangle is decreased by 50 % and the breadth is increased by 80 % then the % change in the area of rectangle is

Group 2 - 2015

A.

decreased by 10%

B.

increased by 10 %

C.

decreased by 20 %

D.

increased by 20 %

16.

The circle-graph given here shows the spendings of a country on various sports during a particular year. Study the graph and answer the question.

What percent of the total spending is spent on Tennis?

Group 2A - 2014

17.

If A's salary is 20% less than B's salary, by how much percent is B's salary more than A's?

Group 2A - 2014

18.

If 50% of (x-y) = 30% of (x + y) then what percent of x is y?

Group 2A - 2014