Product of the ages of Virat 7 years ago and 7 years later is 480. Find his present age.
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Let the present age of Virat be x years
His age 7 years ago = x - 7 years
His age 7 years later = x + 7 years
According to the given condition, (x - 7) (x + 7) = 480
⇒ +7x - 7x - 49 = 480
⇒ - 49 = 480
⇒ = 480 + 49
⇒ = 529
⇒ x =
⇒ x = 23
Hence the present age of Virat is 23 years.
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