ratio between Rudra’s present age and his age 12 yrs back is 5:2.The ratio of his present age and his father’s age 5 yrs back is

ratio between Rudra’s present age and his age 12 yrs back is 5:2.The ratio of his present age and his father’s age 5 yrs back is 4:9.How old is his father today
a) 50 yrs
b) 55 yrs
c) 60 yrs
d) 65 yrs
e) 56 yrs ​

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  1. Answer:

    Rudra father’s age is 50

    Step-by-step explanation:

    Rudra’s present age is ‘x’

    case(1)

    x : x-12 = 5 : 2

    x / x-12 = 5/2

    2x = 5x-60

    3x = 60

    x = 20

    Now Rudra’s age is 20

    Rudra father’s age is y’

    case (2)

    20 / y-5 = 4/9

    4y-20 = 180

    4y = 200

    y = 50

    Rudra father’s age is 50

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