SSC Selection Post 2022 PYQ — Question 57

SSC Selection Post - Matriculation Level - 10 Feb 2022 - Shift 1 • Quantitative Aptitude • Q57

In a certain number of years T, the simple interest earned on a certain sum at the rate of 9% per annum is nine-sixteenth of the sum. What is the value of T (in years)?

Show answer & explanation

Correct answer: A

Explanation

The correct answer is Option 1 i.e. 6146\frac{1}{4}.

Let the principal be ₹P

SI = 9P169P\over16

SI = PRT100PRT\over100

⇒ 9P169P\over16 = PRT100PRT\over100

⇒ 9169\over16 = 9×T1009\times T\over100

⇒ T = 6146\frac{1}{4} years