Question
Rajeev's age after 15 years will be 5 times his age 5 years back. What is the present age of Rajeev ?
Answer: Option B
- Let Rajeev's present age be x years. Then,
Rajeev's age after 15 years = (x + 15) years.
Rajeev's age 5 years back = (x - 5) years.
:. x + 15 = 5 (x -5) =>x + 15 = 5x - 25 => 4x = 40
x = 10.
Hence, Rajeev's present age = 10 years.
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- Let Rajeev's present age be x years. Then,
Rajeev's age after 15 years = (x + 15) years.
Rajeev's age 5 years back = (x - 5) years.
:. x + 15 = 5 (x -5) =>x + 15 = 5x - 25 => 4x = 40
x = 10.
Hence, Rajeev's present age = 10 years.
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