A sum doubles in 10 years at S1. find its Rate of interest
Show answer & explanation
Correct answer: D
Explanation
Time = 10 years, amount double
According to the formula:
SI=PRT/100
Doubled ⇒ SI = P
P = (P × R × 10)/100
1 = (R × 10)/100
R = 10%
SSC CPO 2025 PYQ — Question 149
SSC CPO - 9 Dec 2025 - Shift 2 • Quantitative Aptitude • Q149