2. After 12 years and will be 3 times as old as he was 4 years ago Find his present age.
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Let the present age of Kamal be X.
After 12 years,
kamal’s age(X+12) will be 3 times as old as he was 4 years ago[3(X-4)]
i.e.
X+12=3(X-4)
X+12=3X-12
2X=24
X=12.
Hence Kamal’s present age is 12.
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