Question

mohan is three times as old as his son. five years later, he will be two and a half times as old as his son. the present age of his son is (in years)


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Answer 1

Answer: 15

Explanation:

Let present age of Mohan be x, and the present age of his son be y

According to the first sentence

x = 3y

According to the second sentence

x + 5 = (2 + 1/2)(y + 5)

⇒ x + 5 = 5(y + 5)/2

⇒ 2x + 10 = 5y + 25

⇒ 2x - 5y = 15

⇒ 6y - 5y = 15          ;(x = 3y)

⇒ y = 15

Hope it helped

Answer 2

Answer:

ur face

Step-by-step explanation: