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  1. The ratio of Vimal's age and Aruna's age is 3 : 5 and sum of their ages in 80 years. The ratio of their ages after 10 years will be ?
    1. 2 : 3
    2. 1 : 2
    3. 3 : 2
    4. 3 : 5
Correct Option: A

∵ 3x + 5x = 80
⇒ x = 10
Ratio of their ages after 10 years = (3x + 10) : (5x + 10) = 40 : 60 = 2 : 3


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