Seats for Maths, 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%. What will be the ratio of increased seats?	Pick one:
A) 1:2:3 B) 2:3:4 C) 2:4:5 D) 3:6:7 E) 5:7:9
Let the number of seats of M,P,B be 5x,7x,8x   Number of increased seats are 140% of 5x , 150% of 7x , 175% of 8x   5x*140/100 , 7x*150/100 and 8x*175/100   i.e. 7x, 21x/2 and 14x   Required ratio = 7x:21x/2 : 14x = 14x:21x:28x = 2:3:4   Answer is 2:3:4
<result>B</result>
Seats for Maths, 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%. What will be the ratio of increased seats?