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?	Select the correct option:
A) 2 : 3 : 4 B) 6 : 7 : 8 C) 6 : 8 : 9 D) 7 : 8 : 9 E) None of these
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).   =&gt;(140/100 X 5X), (150/100 X 7X) and (175/100 X 8X)   The required ratio = 7x :	21x/2 : 14X   =&gt;14x : 21x : 28x   =&gt;2 : 3 : 4   2 : 3 : 4NSWER IS 2 : 3 : 4
<result>A</result>
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?