Question

the product of the ages of a man 20 years before and 20 years hence is 500. Find the present age of the man.

Answer 1

Answer:

20

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Let the age of son be x years and father be 2xyears.

20 years back, their ages were x−20 and 2x−20

As per the given condition, we get

2x−20=12(x−20)

⇒2x−20=12x−240

⇒2x−12x=20−240

⇒−10x=−220

⇒x=10220

⇒x=22

∴ son's age is 22 years and father's age is (2×22)=44 years.

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