Ratio & Proportion (SSC) (Part-4)

Total Questions: 50

11. Find 2 numbers such that their mean proportional is 25 and their third proportional is 25. [SSC CHSL 07/08/2023 (1st Shift)]

Correct Answer: (d) 25 and 25
Solution:

12. The present age of a father is twice that of his son. 8.5 years hence the ratio would be 7 : 4. Find the son's present age. [SSC CHSL 07/08/2023 (2nd Shift)]

Correct Answer: (a) 25.5 years
Solution:

13. The sum of the amount that Sunaina and Ranjan have is ₹23 and the difference of their amount is ₹7. The ratio of the amount that Sunaina and Ranjan have is:- [SSC CHSL 07/08/2023 (3rd Shift)]

Correct Answer: (c) 15 : 8
Solution:

14. Two numbers are in the ratio of 1 : 2. If 7 is added to both, their ratio changes to 3 : 5. The greater number is: [SSC CHSL 07/08/2023 (3rd Shift)]

Correct Answer: (d) 28
Solution:

15. The difference between 24 and the mean proportional of 7 and 63 is: [SSC CHSL 07/08/2023 (4th Shift)]

Correct Answer: (a) 3
Solution:

16. If a : b = 5 : 7, then (6a² - 2b²) : (b² - a²) will be : [SSC CHSL 08/08/2023 (4th Shift)]

Correct Answer: (c) 13 : 6
Solution:

17. What is the fourth proportional of 3√5, 5√8 and 3√10 ? [SSC CHSL 09/08/2023 (4th Shift)]

Correct Answer: (d) 20
Solution:

18. The ratio of the father's age to his son's age is 5 : 3. The product of the numbers representing their ages is 960.The ratio of their ages after 6 years will be: [SSC CHSL 11/08/2023 (1st Shift)]

Correct Answer: (a) 23:15
Solution:

19. Find the third proportion of P and 12, when 8, P, 16 and 18 are in proportion. [SSC CHSL 11/08/2023 (2nd Shift)]

Correct Answer: (a) 16
Solution:

20. The total number of workers in a company is 960. If the number of female workers in the company is 420, then the respective ratio of the total number of male workers to the total number of female workers in the company is: [SSC CHSL 11/08/2023 (3rd Shift)]

Correct Answer: (d) 9 : 7
Solution: