Question

Rahul invested Rs. 2450 at a 40% per annum simple interest rate for 'y' years, and this investment yielded a total amount of Rs. 4410. Find the interest earned when Rahul invests Rs. 3500 in a compound interest account with an annual interest rate of 30%, compounded annually for 'y' years.

A Rs.2415 Correct Answer Incorrect Answer
B Rs.2400 Correct Answer Incorrect Answer
C Rs.2500 Correct Answer Incorrect Answer
D Rs.2000 Correct Answer Incorrect Answer
E none of these Correct Answer Incorrect Answer

Solution

ATQ, (2450 × 40 × y)/100 = 4410 – 2450 Or, y = (1960/980) = 2 years Therefore, interest received = 3500(1 + (30/100))2 – 3500 = Rs.2415

Practice Next
×
×