In the first month, the income of Mohan increases by 30%. In the second month his income decreases by 30%. What will be percentage increase or decrease in the income after two months?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 9% decrease.
So, total % change in Mohan's income = 30 - 30 × 30 × (-30)/100
where negative sign shows decrease in income.
⇒ -9%
So, total % change in Mohan's income = 9% decrease