Rahul is older than his sister seema by 12 years . Four years ago he was four times as old as his sister. Find their present ages
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let rahul's present age is x years
sisters age is x-12 years
4( x - 12 - 4) = x - 4
4 (x - 16) = x-4
4x - 64 - x+ 4 = 0
3x - 60 = 0
3x = 60
x = 20
rahuls age is 20.
his sisters age is 20 - 12 = 8 years.
sisters age is x-12 years
4( x - 12 - 4) = x - 4
4 (x - 16) = x-4
4x - 64 - x+ 4 = 0
3x - 60 = 0
3x = 60
x = 20
rahuls age is 20.
his sisters age is 20 - 12 = 8 years.
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