Simple Interest Questions for SSC CHSL

Q1. What will be the ratio of simple interest earned by certain amount at the same rate of interest for 6 years and that for 9 years?     
(a) 1: 3
(b) 1: 4
(c) 2: 3
(d) Data inadequate 

Q2. Nitin borrowed some money at the rate of 6% p.a. for the first three years, 9% p.a. for the next five years and 13% p.a. for the period beyond eight years. If the total interest paid by him at the end of eleven years is Rs. 8160, how much money did he borrow? 
(a) Rs. 8000
(b) Rs. 10,000
(c) Rs. 12,000
(d) None of these 

Q3. An automobile financier claims to be lending money at simple interest, but he includes the interest every six months for calculating the principal. If he is charging an interest of 10%, the effective rate of interest becomes: 
(a) 10%
(b) 10.25%
(c) 10.5%
(d) None of these 

Q4. A sum of money at simple interest amounts to Rs. 815 in 3 years and to Rs. 854 in 4 years. The sum is:  
(a) Rs. 650
(b) Rs. 690
(c) Rs. 698
(d) Rs. 700 

Q5. A 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 

Q6. A sum of money amounts to Rs. 9800 after 5 years and Rs. 12005 after 8 years at the same rate of simple interest. The rate of interest per annum is:  
(a) 5%
(b) 8%
(c) 12%
(d) 15%

Q7. At what rate percent of simple interest will a sum of money double itself in 12 years? 
(a)  8 1/4%
(b) 8 1/3%
(c) 8 1/2%
(d) 9 1/2%

Q8. A person invested in all Rs. 2600 at 4%, 6% and 8% per annum simple interest. At the end of the year, he got the same interest in all the three cases. The money invested at 4% is:  
(a) Rs. 200
(b) Rs. 600
(c) Rs. 800
(d) Rs. 1200 

Q9. How long will it take a sum of money invested at 5% p.a. S.I. to increase its value by 40%? 
(a) 5 years 
(b) 6 years 
(c) 7 years 
(d) 8 years 
Q10. Simple interest on a certain amount is 9/16 of the principal. If the numbers representing the rate of interest in percent and time in years be equal, then time, for which the principal is lent out, is: 
(a) 5 1/2 years 
(b)  6 1/2 years 
(c) 7 years 
(d) 7.5 years 

Q11. A 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 of them as interest. The rate of interest per annum is: 
(a) 5%
(b) 7%
(c) 7 1/8%
(d) 10%

Q12. A sum of Rs. 725 is lent in the beginning of a year at a certain rate of interest. After 8 months, a sum of Rs. 362.50 more is lent but at the rate twice the former. At the end of the year, Rs. 33.50 is earned as interest from both the loans. What was the original rate of interest?  
(a) 3.6%
(b) 4.5%
(c) 5%
(d) None of these 
Q13. The difference between the simple interest received from two different sources on Rs. 1500 for 3 years is Rs. 13.50. The difference between their rates of interest is: 
(a) 0.1%
(b) 0.2%
(c) 0.3%
(d) 0.4%

Q14. Peter invested an amount of Rs. 12,000 at the rate of 10 p.c.p.a. simple interest and another amount at the rate of 20 p.c.p.a. simple interest. The total interest, earned at the end of one year on the total amount invested became 14 p.c.p.a. Find the total amount invested.  
(a) Rs. 20,000
(b) Rs. 22,000
(c) Rs. 24,000
(d) Rs. 25,000

Q15. If the annual rate of simple interest increases from 10% to 12.5%, a man’s yearly income increases by Rs. 1250. His principal (in Rs.) is:   
(a) 45,000
(b) 50,000
(c) 60,000
(d) 65,000


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