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  1. Mr. Sohanlal is 4 times as old as his son. Four years later the sum of their ages will be 43 years. The present age of son is ?
    1. 5 years
    2. 7 years
    3. 8 years
    4. 10 years
Correct Option: B

Let the son's present age be x years
Then, (x + 4) + (4x + 4) = 43
⇒ 5x = 35
∴ x = 7


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