Percentage (Railway Maths) (Part – III)

Total Questions: 50

11. Zamir buys an article with off-season discount of 40% and sells at 25% discount on the marked price. Find his percentage profit/loss? [RRB NTPC 09/01/2021 (Morning) ]

Correct Answer: (d) 25% profit
Solution:

12. 20% of the toys produced in a factory are defected and 25% of the remaining were damaged. If 4800 toys are in good condition, then what was the original number of toys produced? [RRB NTPC 10/01/2021 (Evening) ]

Correct Answer: (b) 8000
Solution:

13. In a class 82% students passed and 2% are placed in the reappear category. The number of students who failed are 592. What was the total number of students in the class? [RRB NTPC 10/01/2021 (Evening) ]

Correct Answer: (c) 3700
Solution:

14. If A’s height is 25% less than that of B, then approximately by what percentage is B’s height more than that of A? [RRB NTPC 10/01/2021 (Evening)]

Correct Answer: (c) 33%
Solution:

15. Mahesh sold 3/4 of the stock at a gain of 20% and the remaining stock at a gain of 15%. Find the total gain percentage (approximate). [RRB NTPC 11/01/2021 (Morning)]

Correct Answer: (a) 19%
Solution:

16. If 370 students appeared for an examination, of which 352 passed, then find the pass percentage (approximately)? [RRB NTPC 11/01/2021 (Morning)]

Correct Answer: (d) 95%
Solution:

17. In an examination, 35% students failed in one subject and 42% failed in the other subject. Among these, 30% failed in both subjects. If the total number of students is 2500, then how many students failed only in one subject? [RRB NTPC 12/01/2021 (Morning)]

Correct Answer: (b) 425
Solution:

18. In an election, candidate A got 75% of total valid votes. If 15% of total votes were declared invalid and the total number of votes is 5,60,000, then the number of valid votes polled in favour of A is: [RRB NTPC 13/01/2021 (Morning)]

Correct Answer: (b) 3,57,000
Solution:

19. The numbers x and y are such that x : y = 4 : 5. If x is more than z by 20%, then y will be more than z by: [RRB NTPC 13/01/2021 (Morning)]

Correct Answer: (d) 50%
Solution:

20. If x% of y = y% of z, then: [RRB NTPC 13/01/2021 (Morning)]

Correct Answer: (a) x = z
Solution: