after 10 years Arvind will be twice as old as he was 4 years ago find the present age of Arvind.
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Answer:
18 years
Step-by-step explanation:
Let the present age be x years.
after 10years, age will be
x +10 years
age of arvind 4 years before,
x-4
A.T.Q.
2(x-4) = x+10
2x - 8 = x+10
x = 18
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