Percentage Practice Test 2 with solutions

Question : 15 of 40

Marks: +1, -0

A number is first increased by 20% and then decreased by 20%. What will be the net change in the number?

Solution:

Let x and y be 20.
∴ Net change

= ±x±y±{x×y}/100

=20-20-{20×20}/100

= 4% decrease

Go to Question:

Prev Question

Next Question