Question 60

A number is increased by 30%, then decreased by 25%, and then further increased by 25%. What is the net increase/decrease percent in the number(correct to the nearest integer)?

Solution

Let the number be 100.

After it get increased by 30%, it becomes 130.

After it get decreased by 25% , it becomes 130-32.5 = 97.5

Again, increased by 25%, 97.5 + 24.375 = 121.875= 122 hence 22% increase.

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