MATHS CLASS 8 CHAPTER 2 LINEAR EQUATIONS IN ONE VARIABLE Q10. Aman’s age is three times his son’s age. Ten years ago he was five times his son’s age. Find their present ages.
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Step-by-step explanation:
Let Aman's son age = x
Aman's age = 3x
Ten years ago, he was 5 times the age of his son.
Therefore, 3x − 10 = 5(x−10)
3x − 10 = 5x − 50
2x = 40
x = 20
Aman's son is 20 yrs old
Aman is 3x = 3 × 20 = 60 yrs old.
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