Question 41
If a sum of money amounts to ₹2,502 in 3 years and ₹3,087 in 5.5 years at the same rate of simple interest per annum, then the rate of simple interest is:
Step-by-Step Solution
CONCEPT USED
Simple Interest
STEP-BY-STEP SOLUTION
SI for 2.5 years = 3087 - 2502 = ₹585
Annual SI = 585 / 2.5 = ₹234 .
SI for 3 years = 234 * 3 = ₹702 .
Principal $P = 2502 - 702 =$ ₹1,800 .
$Rate R = (234 / 1800) * 100% = 13%.
FINAL$