A. 2 : 3 : 4
B. 1 : 2 : 9
C. 4 : 8 : 7
D. None of these
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?
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