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The age of mother is the thrice the age of Rahul. After 5 years, the average age of Rahul and his mother is 35 years. Find the difference between the age of his mother and Rahul.1. 35 years2. 30 years3. 25 years4. 20 years5. 40 years |
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Answer» Correct Answer - Option 2 : 30 years Given: Let the present age of Rahul and mother be a years and b years respectively. ⇒ b = 3a Then, ⇒ (a + 5) + (b + 5) = 70 ⇒ a + b = 60 Solving, a = 15 years and b = 45 years ∴ Required difference = 45 - 15 = 30 years. |
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