Percentage (Railway Maths) (Part – II)

Total Questions: 50

11. The present cost of a building is ₹1,28,000. After a year, its cost increased to ₹1,46,000. The percentage increase (rounded off to the nearest integer) in the cost of the building is: [Group D 18/09/2022 (Morning)]

Correct Answer: (d) 14
Solution:

12. Out of his total monthly salary, Mohan spends 20% on house rent and 50% of the rest is his total household expenditure. If he saves ₹10,600, then his total monthly salary is: [Group D 18/09/2022 (Evening)]

Correct Answer: (d) ₹26,500
Solution:

13. The price of a laptop in a shop is decreased by 35%, as a result of which the sales increased by 20%. What is the effect on the total revenue of the shop from the sale of laptops? [Group D 19/09/2022 (Morning)]

Correct Answer: (b) 22% decrease
Solution:

14. When the price of an article is increased by 20%, its sale reduces by 20%. What is the net effect on the revenue? [Group D 20/09/2022 (Evening)]

Correct Answer: (a) 4% decrease
Solution:

15. Ravi spends 20% of his income on petrol, one-third of the remaining income on household expenditure, and the balance is his savings. If he spends ₹7,500 on petrol, find his household expenditure. [Group D 26/09/2022 (Morning) ]

Correct Answer: (d) ₹10,000
Solution:

16. The population of a city increased by 10% in 2020 and then decreased by 8% in 2021. Find the percentage change in the population of the city at the end of 2021 with respect to its population at the beginning of 2020. [Group D 28/09/2022 (Morning) ]

Correct Answer: (b) 1.2% increase
Solution:

17. The price of a bike was increased by 10% and then again increased by 8%. The net percentage increase in the price of the bike is: [Group D 28/09/2022 (Afternoon)]

Correct Answer: (c) 18.8%
Solution:

18. 5650 increased by 15% equals how much? [Group D 29/09/2022 (Morning)]

Correct Answer: (d) 6497.50
Solution:

19. The marks of a student increased from 10 to 12. Find the percentage increase in the marks. [Group D 29/09/2022 (Afternoon)]

Correct Answer: (d) 20%
Solution:

20. 20% of the population of a city died due to war, and of the remaining population, 5% died in an epidemic. If the present population of the city is 15,200, then find the population of the city before the war. [Group D 30/09/2022 (Morning) ]

Correct Answer: (a) 20,000
Solution: