SSC CPO 2020 PYQ — Question 112

SSC CPO - 23 Nov 2020 - Shift 2 • Quantitative Aptitude • Q112

If the annual rate of simple interest increase from 11% to 17 12\frac{1}{2}%, a person's yearly income increase by Rs1,071.20. The principal amount invested ( in Rs) is :

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 16,480

The difference in the rate of interest = 171217\dfrac{1}{2}% - 11% = 6.5%

Difference in income = Rs. 1071.20

So, 

6.5% = 1071.20

100% = 100 × (1071.20/6.5)

= Rs. 16480