Bachal is three times as old as his son today .Five years ago ,he was four times as old as his son. How old is Bachal today?
- 32 years
- 30 years
- 40 years
- 45 years
Explanation
According to the question, Bachal is now three times as old as his son,
so, x = 3y
five years before their ages would have been, x-5 and y-5. And the question says the Bachal was four times as old as his son,
x-5 = 4( y -5)
x-5= 4y -20
x-4y + 15 = 0
3y - 4y + 15 =0 , we already know x = 3y
y = 15 and x = 45
The Bachal is presently 45 and the son is 15
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