SSC CHSL 2021 PYQ — Question 64

The correct answer is Option 3 i.e. 2,383.

$Amount = P(1 + {R \over 100})^T$

Interest = Amount - Principal

Since the interest is compounded half-yearly, 

R = 20% ÷ 2 = 10%

T = 18 × 2 = 36 months = 3 years

Now, $Amount = 7200(1 + {10\over 100})^3$ = 9,583.2

Now, Interest = 9583.2 - 7200 = 2383.2

Hence, the required answer is Rs. 2,383.