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13 January, 07:13

the ages of two friends Sunaina and Tanish are differ by 2 years sunaina's father is twice as old as Sunaina and Tanisha is twice as old as his brother Shiva The ages of sunaina's father and Shiva differ by 40 years

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  1. 13 January, 08:32
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    Let S represent Sunaina's age.

    Let T represent Tanish's age.

    So 2S - T/2 = 40, 4S - T = 80.

    Either S - T = 2 or T - S = 2. Let's try both cases.

    Either 3S = 78 or 3S = 82.

    Since 82 is not a multiple of 3, S = 26.

    So Sunaina is 26 years old and Tanish is 24 years old.
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