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  1. 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?
    2. A.
    2:3:4
    B.
    6:7:8
    C.
    6:8:9
    D.
    None of these

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    Answer : Option A

    Explanation :

    Originally, let the number of seats for Mathematics, Physics and Biology be 5x, 7x and 8x respectively. Number of increased sears are (140% of 5x), (150% of 7x) and (175% of 8x)

    i.e., (140/100 * 5x), (150/100 * 7x) and (175/100 * 8x)

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