Question

A sum of Rs. 10640 gives interest of Rs. 3724 in x years at 5% simple interest. What will be the value of x?

• A. 8
• B. 6
• C. 7
• D. 9

Answer 1

Answer:

C. 7

Solution: Given: Principal = Rs. 10640 Simple interest = Rs.3724 Rate = 5% Formula used: Simple interest (SI) = Principal (P) × Rate (r) × Time (x)/100 SI = (P × r × x)/100 Where x is in years Calculation : 3724 = 10640 × 5 × (x)/100 ⇒ x = 7448/1064 ∴ x = 7 years