Percentage (Railway Maths) (Part – II)

Total Questions: 50

21. A man's monthly income is ₹50,000. He spends 25% of it on tax, 30% of the remaining income on household expenses, and 10% of the still remaining income on entertainment. He saves the remaining part of his income. How much money will the man save per year, assuming that the above data is same for all 12 months? [Group D 30/09/2022 (Evening) ]

Correct Answer: (c) ₹2,83,500
Solution:

22. If 23.5% of a number is 11.75, then what is the number? [Level 6 (09/05/2022) Shift 1]

Correct Answer: (a) 50
Solution:

23. Shubham secured 345 marks out of 600 in the annual examination. Find the percentage of marks obtained by him in the examination. [Level 4 (10/05/2022) Shift 1]

Correct Answer: (a) 57.5
Solution:

Required percentage = 345/600 × 100 = 57.5

24. Vimal secured 46% marks in the exam and failed to qualify in the exam by 4%. 10 marks. If he secured 52% marks, he would have secured 8 marks more than what was the minimum qualifying marks. What were the minimum qualifying marks. What were the minimum marks one had to score to qualify in the exam ? [Level 5 (12/06/2022) Shift 2 ]

Correct Answer: (c) 148
Solution:

Let the total marks = x
Passed marks = 46% of x + 10
Also, Passed marks = 52% of x - 8
Now, 46% of x + 10 = 52% of x - 8
18 = 6% of x , x = 300
Qualifying marks = 46% of 300 + 10 = 148

25. 12.5% of the first number is 37.5% of the second number. If the second number is subtracted from the first number, we get an answer of 1428. Find the sum of the two numbers. [Level 2 (13/06/2022) Shift 2]

Correct Answer: (b) 2856
Solution:

26. A family’s monthly income is ₹45,000. Out of the monthly income 20% is spent on food, 20% is spent on the house rent, 5% is spent on shopping, 10% is spent on personal expenses and the rest is saved. If they decided to donate 12% of the monthly savings to the poor, what is the amount that they donate to the poor? [Level 3 (14/06/2022) Shift 2]

Correct Answer: (d) ₹2430
Solution:

27. A survey of the game was conducted. A total of 360 people participated in that survey. Only 54 people liked soccer. What percentage of the people surveyed liked soccer? [Level 5 (15/06/2022) Shift 1]

Correct Answer: (d) 15%
Solution:

28. If 15% of A : 25% of B :: 8 : 11, then A : B is equal to: [Level 5 (15/06/2022) Shift 1]

Correct Answer: (d) 40 : 33
Solution:

29. A reduction of 20% in the price of wheat enables a housewife to obtain 4 kgs more for ₹1200. What is the reduced price per kg (in ₹)? [Level 5 (15/06/2022) Shift 2]

Correct Answer: (b) 60
Solution:

30. The product of 15% of A and 35% of B, when divided by 21% of C gives 37 as the answer. What will be the answer if the product of A and B is divided by C ? [Level 5 (15/06/2022) Shift 2 ]

Correct Answer: (c) 148
Solution: