Seats for Maths, Physics and Biology are in the ratio of 9 : 7 : 8 respectively. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the respective ratio of increased seats?  Choose the correct choice from the following
A) 18 : 15 : 20	B) 6 : 7 : 8	C) 6 : 8 : 9	D) Cannot be determined	E) None of these
Reqd ratio 9 Ã— 140â„100 : 7 Ã— 150â„100 : 8 Ã— 175â„100   = 9 Ã— 140 : 7 Ã— 150 : 8 Ã— 175 = 18 : 15 : 20   18 : 15 : 20nswer 18 : 15 : 20
<result>A</result>
Seats for Maths, Physics and Biology are in the ratio of 9 : 7 : 8 respectively. There is a proposal to increase these seats by 40%, 50% and 75% respectively. What will be the respective ratio of increased seats?