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

Total Questions: 50

11. If 6, 18, 39, and x are in proportion, then find the value of x. [Group D 17/08/2022 (Morning)]

Correct Answer: (a) 117
Solution:

12. If a : b = 2 : 3 and b : c = 3 : 4, then a : b : c = ? [Group D 17/08/2022 (Evening)]

Correct Answer: (c) 2 : 3 : 4
Solution:

13. If the difference between two numbers is 52 and they are in the ratio 7 : 3, then find the greater of the two numbers. [Group D 18/08/2022 (Morning)]

Correct Answer: (c) 91
Solution:

14. Two boxes have chocolates in the ratio 7 : 5. If the difference in the number of chocolates is 28, find the number of chocolates in the box with larger numbers. [Group D 18/08/2022 (Morning)]

Correct Answer: (c) 98
Solution:

15. If 40 : 35 :: 35 : x, find the value of x. [Group D 18/08/2022 (Evening)]

Correct Answer: (a) 245/8
Solution:

16. A 91 cm-long wire is cut into two pieces so that one piece length is three-fourth of the other. Find the length of the shorter piece. [Group D 22/08/2022 (Morning)]

Correct Answer: (b) 39 cm
Solution:

17. Two numbers are in the ratio 5 : 3. If the difference between the numbers is 54, then find the smaller number. [Group D 22/08/2022 (Afternoon)]

Correct Answer: (c) 81
Solution:

18. The mean proportional between the numbers p and q is 8. Which of the following pairs of numbers can be the values of p and q. [Group D 22/08/2022 (Afternoon)]

Correct Answer: (b) 16 and 4
Solution:

19. The mean proportional of 16 and 144 is [Group D 22/08/2022 (Afternoon)]

Correct Answer: (c) 48
Solution:

20. The third proportional of 10 and 50 is. [Group D 24/08/2022 (Morning) ]

Correct Answer: (c) 250
Solution: