Problems on compound interest for IBPS PO ,SSC and Railway exams

  COMPOUND INTEREST

  MODERATE LEVEL-  PATTERN 1 BASED ON DIFF. 

                        BETWEEN CI AND SI FOR 2 /3 YEARS RESPECTIVELY -

1.  The difference between the SI and CI on a certain sum of money at a 5 % rate of interest per annum for 2 years is Rs. 15. what will be the sum? 

a. Rs. 6500                b.Rs. 5500                c.  Rs.  6000               d. Rs.7000  

2. The difference between the SI and CI on a certain sum of money at a 10 % rate of interest per annum for 2 years is Rs. 30. What will be the sum? 

a. Rs. 3000                 b.Rs. 5500                   c.  Rs.  1500              d. None 

3. If the difference between the CI and SI on a sum of 5 % rate of interest per annum for three years is 36.60, then the sum is?    

a. Rs. 8000          b.  Rs. 8400           c.   Rs. 4400              d.  Rs. 4800   

4. The difference between CI and SI on Rs. 2500 for 2 years at 4 % per annum is?

a. Rs. 40              b. Rs.45                 c. Rs.14                   d. Rs. 4   

5. The difference between si and ci on a sum of money at 4 % per annum for 2 years is Rs. 8. Find the sum is?

a. Rs.400            b. Rs. 800              c. Rs. 4000              d. Rs. 5000 

6.The difference between CI and SI on a sum for 2 years at 8 % per annum is Rs. 768. Find the sum is?  

a. Rs. 100000      b.  Rs. 110000       c. Rs. 120000            d. 170000 

7. The difference between CI and SI on a certain sum of money for 2 years at 4 % per annum is is Rs. 4. The sum is?  

a. Rs. 2500        b. Rs. 2400             c. Rs. 2600                d. Rs. 2000  

8. The difference between the CI and the SI on a sum for 2 years at 10 % per annum, when the interest is compounded annually, is Rs. 28. if the yearly interest were compounded half-yearly, then find out the difference in the two interests will be?

a. Rs. 44         b. Rs. 28.35        c. Rs.   43.41          d. Rs. 43.29 

9.On a certain sum of money, the difference between the CI for a year, payable at half-yearly, and the simple interest for a year is Rs. 180. if the rate of interest in both the cases is 10 % then the sum is? 

a. Rs. 60,000    b. Rs. 72000    c. Rs. 62,000      d. Rs. 540000 

10. on what sum of money will be the difference between the SI and CI for 2 years at 5 % per annum be equal to Rs. 63. 

a. 23200           b.   29200       c. 25200         d. 31200 

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  PATTERN 2- FINDING RATE OF INTEREST PER ANNUM WHEN SUM OF MONEY   BECOMES SOME ANOTHER AMOUNT?

Q1. If the amount is 2.25 times the sum after 2 years at CI, compounded annually, find the rate of interest per annum? 

a. 25 %     b. 30 %    c. 45 %     d.  50% 

Q2. At what percent per annum will Rs. 3993 in 3 years if the interest is compounded annually?

a. 9%       b. 10 %     c. 11%      d. 13% 

Q3. At what rate percent per annum will Rs. 2304 amounts to Rs. 2500 in 2 years at CI? 

a. 4 1/2 %         b. 4 1/5 %                   c. 4 1/6%                         d. 4 1/3 % 

Q4. At what rate percent per annum will Rs. 2304 amount to Rs. 2500 in 2 years at compound interest? 

a. 4.50 %      b. 4 1/5 %      c. 4 1/6 %     d.  4 1/3 %