The present age of Vinay's mother is three times the present age of Vinay. After 5 years, sum of their ages will be 70 years. Find their present ages.
Answer: 15 years 45 years
Explanation
Let Vinay’s present age be x
Then, his mother’s present age = 3x
After 5 years,
Vinay’s age = x + 5
Vinay's mother’s age = 3x + 5
Sum of Vinay and Vinay's Mother's age after 5 years = 70
⇒x + 5 + 3x + 5 = 70
⇒ 4x+10 = 70
⇒4 x = 60
⇒ x = 15
⇒ 3x45
∴Vinay’s age is 15 years and his
mother’s age is 45 years
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