A’s age is seven times B’s age. If the sum of their ages is 48 years, then their ages are: 

This question was previously asked in
RRB Group D 16 Sept 2022 Shift 1 Official Paper
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  1. 35 and 5
  2. 42 and 6
  3. 40 and 8
  4. 46 and 6

Answer (Detailed Solution Below)

Option 2 : 42 and 6
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RRB Group D Full Test 1
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Detailed Solution

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Given:

A's age is seven times B's age

Sum of the age of A and B = 48 years

Calculation:

Let the B's age be x years.

A's age = 7x

According to the question,

⇒ x + 7x = 48

⇒ x =  = 6

⇒ A's age = 7 × 6 = 42 years

⇒ B's age = 6 years

Therefore, the present ages of A and B are 42 and 6 years respectively.

Hence, the correct answer is option 2).

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