Question 72 and 73 answers??
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let age of daughter = x
wife age = 5x
asif age= 5x+5
3 years back
asif =5x +5 -3
wife=5x -3
daughter = x-3
given age of daughter =4
therfore we get = x -3 = 4
x = 7
thus age of asif = 5x +5
5*7+5=
40(b)
73) let age of son=x
age of father =5x
in 15 year
age of son= x+15
age of father =5x +15
now we get =5x+15=2(x+15)
=>3x= 15
=>x=5
thus age of ftaher now =5x=5*5
=25(a)
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