What is Aman's present age, if after 20 years his age will be 10 times his age 10 years back?
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Let Aman's present age be x
Aman's age before 10 years = x - 10)
Aman's age after 20 years = (x + 20)
We are given that, Aman's age after 20 years (x + 20) is 10 times his age 10 years back (x – 10)
Therefore, (x + 20) = 10 (x – 10)
Solving the equation, we get x + 20 = 10x – 100
9x = 120, x = 13.3 years
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Answer:
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Step-by-step explanation:
Let Aman's present age be x
Aman's age before 10 years = (x - 10)
Aman's age after 20 years = (x + 20)
We are given that,
Aman's age after 20 years (x + 20) is 10 times his age 10 years back (x – 10).
Therefore,
(x + 20) = 10 (x – 10)
x + 20 = 10x - 100
10 x - x = 20 +100
9x = 120
x = 120/9
x = 13.3
Solving the equation, we get x + 20 = 10x – 100
x = 13.3 years
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