Interest – Aptitude MCQ Questions – 10 Posted on July 9, 2020July 9, 2020 by admin Question 1A sum of money becomes Rs. 20925 in 2 years and Rs. 24412.50 in 5 years. Find the rate of interest and the sum of money. A. 6.25%, Rs. 18600 B. 6.75%, Rs. 17775 C. 7%, Rs. 18000 D. 8%, Rs. 17560 Question 2A man invests half of his capital at the rate of 10% per annum, one - third at 9% and the rest at 12% per annum. The average rate of interest per annum, which he gets is = ? A. 9% B. 10% C. 10.5% D. 12% Question 3A sum of money at simple interest doubles in 7 years. It will become four times in: A. 18 years B. 21 years C. 38 years D. 42 years Question 4A sum of money lent out at simple interest amounts to Rs. 720 after 2 years and to Rs.1020 after a further period of 5 years. The sum is A. Rs. 500 B. Rs. 600 C. Rs. 700 D. Rs. 710 Question 5A sum of money was invested at a certain rate of simple interest for 2 years. Had it been invested at 1% higher rate, it would have fetched Rs. 24 more interest. The sum of money is ? A. Rs. 1200 B. Rs. 1050 C. Rs. 1000 D. Rs. 9600 Question 6 In how many years will the simple interest on a sum of money be equal to the principal at the rate of 16*2/3 % per annum ? A. 4 years B. 5 years C. 6 years D. 8 years Question 7The simple interest on a sum of money is 1/4 of the principal and the number of years is equal to rate percent per annum. The rate percent is = ? A. 2.5% B. 5% C. 7.5% D. 10% Question 8A lent Rs. 5000 to B for 2 years and Rs. 3000 to C for 4 years on simple interest at the same rate of interest and received Rs. 2200 in all from both as interest. The rate of interest per annum is = ? A. 7% B. 5% C. 7*1/8 % D. 10% Question 9In how many years will a sum of money double itself at 18.75% per annum simple interest? A. 4 years 5 months B. 5 years 4 months C. 6 years 2 months D. 6 year 5 months Question 10What annual installment will discharge a debt of Rs. 6450 due in 4 years at 5% simple interest = ? A. Rs. 1500 B. Rs. 1835 C. Rs. 1935 D. Rs. 1950