Question : The present ages of A and B are in the ratio 3 : 5. If A's present age is 33 years, then what will be B's age (in years) after 5 years?
Option 1: 65
Option 2: 60
Option 3: 50
Option 4: 55
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Correct Answer: 60
Solution : Given, The ratio of present ages of A and B = 3 : 5 The present age of A = 33 years Let the present age of A be $3x$ and B be $5x$. So, $3x = 33$ $\therefore x= 11$ ⇒ Present age of B = $5x=5 × 11=55$ years $\therefore$ Age of B after 5 years = 55 + 5 = 60 years Hence, the correct answer is 60.
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