Q1. If the simple interest on a certain sum of money is 4/25 of the sum and the rate per cent equals the number years, then the rate of interest per annum is:
(a) 2%
(b) 3%
(c) 4%
(d) 5%
(e) None of these

Q2. If a certain sum of money borrowed at 5% per annum simple interest amounts to Rs. 1020 in 4 years, then the sum of money borrowed is:
(a) Rs. 850
(b) Rs. 925
(c) Rs. 750
(d) Rs. 780
(e) None of these

Q3. If Rs. 1000 be invested at interest rate of 5% and the interest be added to the principal every 10 years, then the number of years in which it will amount to Rs. 2000 is:
(a) 16 2/3 years
(b) 16 1/4 years
(c) 16 years
(d) 15 years
(e) None of these

Q4. Sumit lends Rs. 10000 for 2 years at 20% per annum simple interest. After 1 year, he receives Rs. 6000. How much will be he receive next year?
(a) Rs. 5900
(b) Rs. 6400
(c) Rs. 7200
(d) Rs. 7500
(e) None of these

Q5. A sum of money doubles itself in 8 years. In how many years will it triple?
(a) 16 years
(b) 15 years
(c) 14 years
(d) 12 years
(e) None of these

Q6. A sum of Rs. 7700 is to be divided among three brothers Vikas, Vijay and Viraj in such a way that simple interest on each part at 5% per annum after 1, 2 and 3 years, remains equal. The share of Vikas is more than that of Viraj by:
(a) Rs. 2800
(b) Rs. 2500
(c) Rs. 3000
(d) Rs. 2900
(e) None of these

Q7. Mr Mani invested an amount of Rs. 12000 at a simple interest rate of 10% per annum and another amount at a simple interest rate of 20% per annum. The total interest earned at the end of one year on the total amount invested became 14% per annum. Find the total amount invested.
(a) Rs. 20000
(b) Rs. 20800
(c) Rs. 21000
(d) Rs. 25000
(e) None of these

Q8. Brinda borrowed Rs. 1000 to build a hut. She pays 5% simple interest. She lents the hut to Ramu and receives a rent of Rs. 12(1/2) per month from Ramu. In how many years Brinda would clear off the debt?
(a) 10 years
(b) 10 1/4 years
(c) 10 1/2 years
(d) 11 years
(e) None of these

Q9. Manish borrowed a sum of Rs. 1150 from Anil at the simple rate of 6 per cent p.a. for 3 years. He then added some more money to the borrowed sum and lent it to Sunil for the same time at 9 per cent p.a. at simple interest. If Manish gains Rs. 274.95 by way of interest on the borrowed sum as well as his own amount from the whole transaction, then what is the sum lent by him to Sunil?
(a) Rs. 1290
(b) Rs. 1785
(c) Rs. 1285
(d) Rs. 1200
(e) None of these

Q10. The simple interest on a sum of money is 4/9 of the principal and the number of years is equal to the rate per cent per annum. The rate per annum is:
(a) 5%
(b) 6 2/3%
(c) 6%
(d) 7 1/5%
(e) None of these

Q11. Rs. 1500 were divided into two parts. One part was put at 6% and the other at 5% interest. If the whole annual interest from both investments was Rs. 85, then the investment at 6% was:
(a) Rs. 1200
(b) Rs. 1000
(c) Rs. 1300
(d) Rs. 1150
(e) None of these

Q12. 800 becomes Rs. 956 in 3 years at a certain rate of simple interest. If the rate of interest is increased by 4%, what amount will Rs. 800 become in 3 years?
(a) Rs. 1020.80
(b) Rs. 1025
(c) Rs. 1052
(d) Rs. 1050
(e) None of these

Q13. Prakash lends a part of Rs. 20,000 at 8% simple interest and remaining at 4/3% simple interest. His total income after a year was Rs. 800. Find the sum lent at 8%.
(a) Rs. 8000
(b) Rs. 12000
(c) Rs. 6000
(d) Rs. 10000
(e) None of these

Q14. A man invested 1/3 of his capital at 7%, 1/4 at 8% and the remaining at 10% rate of simple interest. If his annual income from interests is Rs. 561, then the capital invested was:
(a) Rs. 6000
(b) Rs. 5600
(c) Rs. 6600
(d) Rs. 7200
(e) None of these

Q15. A sum fo Rs. 16800 is divided into two parts. One part is lent at a simple rate of interest 6% per annum and the other at 8% per annum. After 2 years the total sum received is Rs. 19000. The sum lent at the rate of 6% simple interest is:
(a) Rs. 12200
(b) Rs. 12000
(c) Rs. 11000
(d) Rs. 1000
(e) None of these