Compound Interest (Railway Maths) (Part – III)

Total Questions: 50

41. A sum of Rs.16400 is borrowed to be paid back in 2 years by equal payments allowing 5% Compound Interest. Find the annual payment. [RRB JE 25/05/2019 (Afternoon) ]

Correct Answer: (d) Rs.8820
Solution:

42. A certain sum of money invested at Compound Interest, compounded annually, amounts to Rs.338 at the rate of 4% per annum for 2 years. Find the sum. [RRB JE 25/05/2019 (Evening) ]

Correct Answer: (b) Rs.312.50
Solution:

43. A sum of Rs.1100 was taken as a loan. This is to be paid in two equal installments. If the rate of interest is 20% per annum, compounded annually, find the amount payable in each Installment. [RRB JE 25/05/2019 (Evening) ]

Correct Answer: (b) Rs.720
Solution:

44. A sum of money at 8% Simple Interest was placed in a deposit for 7 years. The matured amount was then invested in a scheme offering 10% Compound Interest compounded annually, thereby procuring an interest of Rs.1638 in 2 years. What was the original sum? [RRB JE 27/05/2019 (Morning) ]

Correct Answer: (b) Rs.5000
Solution:

45. A sum increases by 100% in 8 years at a certain rate of Simple Interest. What will be the Compound Interest of Rs.8000 after 2 years at the same rate of interest ? [RRB JE 29/05/2019 (Evening) ]

Correct Answer: (c) Rs 2125
Solution:

46. What is the Simple Interest on a sum of money at 12.5% for 2 years if the Compound Interest on the same sum and same period, same rate of interest is Rs. 510? [RRB JE 30/05/2019 (Evening)]

Correct Answer: (a) Rs. 480
Solution:

47. If the Simple Interest on a sum of money at 5% for 3 years is Rs. 1200, what will be the Compound Interest for the same period and rate for the same sum? [RRB JE 01/06/2019 (Afternoon)]

Correct Answer: (d) Rs. 1261
Solution:

48. The difference between Compound Interest and Simple Interest in 2 years on a certain sum is Rs.8 at 8% rate. What is the sum? [RRB JE 02/06/2019 (Morning) ]

Correct Answer: (b) Rs.1250
Solution:

49. Compound Interest and Simple Interest on a certain sum of money for 2 years is Rs.282.15 and Rs.270 respectively. The rate of interest is: [RRB JE 02/06/2019 (Evening) ]

Correct Answer: (c)
Solution:

50. A sum of money is put on Compound Interest for 2 years at 20%. It would fetch Rs.482 more if the interest is payable half yearly than if it were payable yearly. Find the sum. [RRB JE 26/06/2019 (Morning) ]

Correct Answer: (b) Rs.20000
Solution: