SSC GD 2021 PYQ — Question 67

SSC GD Constable (English) - 18th November 2021 Shift 1 • Quantitative Aptitude • Q67

Aman spends 74% of his income. If his expenditure increases by 30% and savings increase by 25%, then by what percentage will his income increase?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is option 1 i.e. 28.7%

Income = Expenditure + Savings

Let's assume his initial income is 100

100 = 74 + 26

Now we have given his expenditure is increased by 30% and savings is increased by 25%

Expenditure = 74 × 130/100 = 96.2

Savings = 26 × 125/100 = 32.5

Income  = 96.2 + 32.5 = 128.7

So, increased in income = 128.7 - 100 = 28.7%