Seats for Mathematics, Physics and Biology in a school are in the ratio 3 : 4 : 5 . There is a proposal to increase these seats by 50%, 50% and 40% respectively. What will be the ratio of increased seats ?
Answer & explanation
Correct answer: option 1
ATQ,
Mathematics Physics Biology
ratio 3 : 4 : 5
Actual value 30 : 40 : 50
New 30 × 150% : 40 × 150% : 50 × 140%
⇒ 45 : 60 : 70
⇒ 9 : 12 : 14