Question

Question 60. Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the ratio of increased seats?

• A. (a) 2 : 3 : 4
• B. (b) 6 : 7 : 8
• C. (c) 6 : 8 : 9
• D. (d) None of these

Answer 1

The correct option is A

(a) 2 : 3 : 4

(a)

Explanation:

Originally, let the number of seats for Mathematics, Physics and Biology be 5x, 7x and 8x respectively.

Number of increased seats are (140% of 5x), (150% of 7x) and (175% of 8x).