Simple Interest (Railway Maths) (Part – III)

Total Questions: 50

21. Find the answer of given question? [RRB NTPC 12/03/2021 (Morning) ]

Correct Answer: (c) Rs. 768
Solution:

22. Find the answer of given question? [RRB NTPC 12/03/2021 (Evening) ]

Correct Answer: (b) Rs. 8,111
Solution:

23. The ratio of simple interest earned by a certain amount at the rate of 5% for 6 years and 8% for 3 years is: [RRB NTPC 13/03/2021 (Evening) ]

Correct Answer: (a) 5 : 4
Solution:

24. The simple interest on Rs. 10,000 for 6 months at the rate of 5 paise per rupee per month is: [RRB NTPC 13/03/2021 (Evening) ]

Correct Answer: (a) Rs. 3,000
Solution:

25. Find the answer of given question? [RRB NTPC 14/03/2021 (Morning) ]

Correct Answer: (c) Rs. 8,200
Solution:

26. If at simple interest, an amount doubles in 5 years, how many times of the original amount, will it be after 8 years at the same rate of simple interest? [RRB NTPC 14/03/2021 (Morning) ]

Correct Answer: (d)
Solution:

27. A sum of Rs. 2700 is lent out in two parts in such a way that, the simple interest on one part at 15% for 4 years is equal to the simple interest on the second part at 10% for 6 years. The part of the sum lent out at 15% is.. [RRB NTPC 14/03/2021 (Evening) ]

Correct Answer: (c) Rs. 1350
Solution:

28. Find the answer of given question? [RRB NTPC 14/03/2021 (Evening) ]

Correct Answer: (b) Rs. 37.50
Solution:

29. A sum of money doubles at simple interest in 5 years. In how many years will it become four times itself? [RRB NTPC 19/03/2021 (Evening)]

Correct Answer: (c) 15
Solution:

30. A sum was invested at a simple interest at a certain rate for 2 years. Had it been invested at a 3% higher rate, it would have fetched Rs. 300 more. Find the sum invested. [RRB NTPC 21/03/2021 (Morning)]

Correct Answer: (d) Rs. 5,000
Solution: