SSC CGL 2022 PYQ — Question 66

SSC CGL - 12 April 2022 - Shift 2 • Quantitative Aptitude • Q66

The simple interest on a certain sum is one-eighth of the sum when the number of years is equal to half of the rate percentage per annum. Find the simple inrerest (in ₹) on ₹ 15,000 at the same rate of simple interest for 8 years.

Show answer & explanation

Correct answer: C

Explanation

The correct answer is option 3 i.e. 6000

given, 

SI = P/8 

and T = R/2 

then, SI = PRT/100

P/8 = (P×R×R/2) / 100

R2 = 25 

R = 5%

now, SI = (15000×5×8)/ 100

SI = 150×40

SI = 6000