1. Seats for Maths, Physics and Biology are in the ratio of 5:7:8 respectively. There is a proposal to increase these seats by 40% 50% and 75% respectively. What will be the respective ratio of increased seats ?






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  • By: anil on 05 May 2019 01.34 am
    Let the original number of seats in Maths, Physics and Biology be 5X, 7X and 8X.
    So, the respective increases in seats equals 5X*0.4, 7X*0.5 and 8X*0.75
    That is 2X, 3.5X and 6X Hence, the final number of seats equals 5X+2X,7X+3.5X and 8X+6X = 7X,10.5X,14X
    So, the final ratio is 7:10.5:14 = 2:3:4
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