Compound Interest (Railway Maths) (Part – II)

Total Questions: 50

31. The compound interest on a certain sum of money at the rate of 11% per annum for 2 years is Rs 4,642. Find its simple interest at the same rate and for the same period. [RRB NTPC 08/01/2021 (Evening) ]

Correct Answer: (a) Rs.4400
Solution:

32. Zaved borrowed Rs 10,000 for 2 years on compound interest, compounded annually and paid Rs. 12,544 at the end of 2 years. If he had borrowed the amount on simple interest, then how much money he would have saved? [RRB NTPC 09/01/2021 (Morning) ]

Correct Answer: (a) Rs. 144
Solution:

33. Find the answer of given question? [RRB NTPC 09/01/2021 (Evening) ]

Correct Answer: (b) Rs 40,000
Solution:

34. Find the answer of given question? [RRB NTPC 11/01/2021 (Evening) ]

Correct Answer: (d) Rs. 8,000
Solution:

35. There is 60% increase in an amount in 6 years at simple interest. What will be the compound interest of Rs. 10,000 after 3 years at the same rate? [RRB NTPC 12/01/2021 (Evening)]

Correct Answer: (d) Rs. 3,310
Solution:

36. Calculate the compound interest on Rs. 15,000 in one year at 4% per annum, if the interest is compounded half yearly. [RRB NTPC 16/01/2021 (Morning)]

Correct Answer: (b) Rs. 606
Solution:

37. The difference between compound interest and simple interest, at the same rate, on an amount of Rs. 15,000 for 2 years is Rs. 24. What is the rate of interest per annum? [RRB NTPC 17/01/2021 (Morning)]

Correct Answer: (c) 4%
Solution:

38. The rate of compound interest p.a. at which a sum of Rs.1,200 will become Rs.1,348.32 in 2 years is: [RRB NTPC 21/01/2021 (Evening) ]

Correct Answer: (a) 6%
Solution:

39. The production in a factory increased from 6600 tons to 7986 tons in 2 years. Find the rate of increase if compounded annually. [RRB NTPC 25/01/2021 (Morning)]

Correct Answer: (d) 10%
Solution:

40. A man deposits Rs 16,000 on fixed deposit terms of 2 years at 10% compounding interest. If the interest is payable half yearly, how much amount (in Rs) would be received on maturity? [RRB NTPC 25/01/2021 (Evening)]

Correct Answer: (d) 19,448.1
Solution: