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 ?
Answer & explanation
Correct answer: option 1
ATQ,
Mathematics Physics Biology
Actual 50 : 70 : 80
New 50 × 140% : 70 × 150% : 80 × 175%
⇒ 50 × 14 : 70 × 15 : 8 × 175
⇒ 2 : 3 : 4