Mr. Sharma has two sons. Four years ago, Mr. Sharma was three times as old as his eldest son. Four years hence the eldest son will be twice as old as the younger. If the younger son is now 8 years old, what is the present age of Mr. Sharma?
A 52 years
46 years
48 years
50 years
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Father(x) has two sons youger(x1) and elder (x2)
Four year ago: (x - 4)=3(x2-4)
Four year hence: (x2+4)=2(x1+4)
The present age of youger son(x1) is 8 putting value in equation 2 we get elder son(x2) be 20 years.
Put the value of x2 in equation 1 and we get Father's current age be 52 years.
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