Mohan's age is 150% of Rohan's age. Sohan's age is 250% of Rohan's age. If the sum of the ages of these three persons is 60 years, then find Rohan's age.

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RRB Group D Previous Year Paper (Held on: 26 Aug 2022 Shift 2)
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  1. 15 Years
  2. 12 Years
  3. 14 Years
  4. 13 Years

Answer (Detailed Solution Below)

Option 2 : 12 Years
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Detailed Solution

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Given:

Mohan's age is 150% of Rohan's age.

Sohan's age is 250% of Rohan's age.

The sum of the ages of these three persons is 60 years.

Formula used:

Let Rohan's age be R years.

Mohan's age = 1.5R years

Sohan's age = 2.5R years

R + 1.5R + 2.5R = 60

Calculations:

R + 1.5R + 2.5R = 60

⇒ 5R = 60

⇒ R = 60 / 5

⇒ R = 12

∴ The correct answer is option 2.

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