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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 ?

Correct Answer: 2 : 3 : 4

Explanation:

Seats for Mathematics, Physics and Biology in a school are in the ratio 5 : 7 : 8.


Seats for Mathematics, Physics and Biology in a school are 5x, 7x and 8x.


There is a proposal to increase these seats by 40%, 50% and 75% respectively.


Then Seats for Mathematics, Physics and Biology in a school will be


1.4 X 5x, 1.5 X 7x and 1.75 X 8x and


ratio will be 7 : 10.5 : 14  => 2:3:4.


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