SarkariPYQ

SSC Selection Post 2022 PYQ — Question 69

SSC Selection Post - Matriculation Level - 1 Aug 2022 - Shift 1 • Quantitative Aptitude • Q69

Back to paper

On a certain sum, the simple interest at the end of 15 years becomes 3103\over 10 of the sum. What is the rate of interest per annum?

Show answer & explanation

Correct answer: D

Explanation

The correct answer is option 4 i.e. 2%.

Let sum = ₹100

SI = 3103\over 10 × 100 = 30

⇒ SI = PRT100PRT\over100

⇒ 30 = 100×R×15100100\times R\times15\over100

⇒ R = 2%