Question : Directions: Govind is 48 years old. He is twice as old as his son Prem, is now. How old was Prem seven years ago?
Option 1: 16
Option 2: 17
Option 3: 13
Option 4: 18
Correct Answer: 17
Solution : Given: Age of Govind = 48 years old.
Let, the present age of Prem = X years And, the present age of Govind = 2X years According to the given question, ⇒ 2X = 48, ⇒ X = 48 ÷ 2 = 24 years
So, seven years before, Prem age was ⇒ 24 – 7 = 17 years. Hence, the second option is correct.
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