Ratio & Proportion (Railway Maths) (Part – III)

Total Questions: 10

1. If 16 : y :: y : 25, find the positive value of y. [Group D 17/09/2022 (Morning)]

Correct Answer: (d) 20
Solution:

2. The ratio of 9³·⁵ : 3⁵ is the same as: [Group D 17/09/2022 (Morning)]

Correct Answer: (d) 9 : 1
Solution:

3. An amount of ₹1,344 is divided among three persons in the ratio of 3 : 4 : 5. The difference between the largest and the smallest shares in the distribution is: [Group D 17/09/2022 (Morning)]

Correct Answer: (a) ₹224
Solution:

4. A company earns a profit that is distributed among the company's three partners in the ratio of 1 : 3 : 5. If the difference between the smallest and the largest shares is ₹80,000, the total profit of the company is: [Group D 17/09/2022 (Afternoon) ]

Correct Answer: (b) ₹1,80,000
Solution:

Ratio = 1 : 3 : 5
Total profit = 1 + 3 + 5 = 9 unit
Difference between largest and smallest = 5 - 1 = 4 unit
According to the question,
4 unit = 80,000 ⇒ 9 unit = 180,000
So, Total profit = 180, 000

5. Out of 162 students in a school, 72 are boys and the remaining are girls. What is the ratio of the number of girls to the number of boys in that school? [Group D 18/09/2022 (Morning) ]

Correct Answer: (b) 5 : 4
Solution:Total number of students = 162
Number of boys = 72
So, number of girls = 162 - 72 = 90
Ratio of number of girls to number of boys = 90 : 72 or 5 : 4

6. Find the answer of given question? [Group D 18/09/2022 (Evening) ]

Correct Answer: (c) ₹2,000
Solution:

7. If x ≠ y, z > 0, and (x + z)² : (y + z)² :: x : y, then find a, where a > 0, such that x : a :: a : y. [Group D 19/09/2022 (Evening)]

Correct Answer: (b) z
Solution:

8. The ratio of marks obtained by A and B is 3 : 4 and of those obtained by B and C is 2 : 3. What is the ratio of marks obtained by A and C? [Group D 22/09/2022 (Afternoon)]

Correct Answer: (c) 1 : 2
Solution:

9. The ratio of A's salary to B's salary is 4 : 5. The ratio of B's salary to C's salary is 3 : 4. Find the ratio of A's salary to C's salary. [Group D 26/09/2022 (Evening)]

Correct Answer: (a) 3 : 5
Solution:

10. The ratio of boys and girls in a school that has 480 students is 7 : 9. What will be the ratio of boys and girls if 3 more girls are admitted to the school? [Group D 27/09/2022 (Morning) ]

Correct Answer: (c) 10 : 13
Solution: