Q8 Reema is one seventh as old as her cousin. In 8 years she will be one third as old as her
cousin .Their present ages
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Let the present of Reema be x yrs
and her cousin's present age be y yrs
A.T.Q.
x=1/7×y
7x=y.......eq(1)
A.T.Q. After 8 yrs
x+8=(y+8)1÷3
3(x+8)= y+8
3x+24=y+8
3x+24-8-y=0
3x+16-7x=0 (y=7x) By eq (1)
-4x=-16
4x=16
x=16÷4
x=4
So, Reema's present age is 4 yrs
and her cousin's present age is 28 yrs.
and her cousin's present age be y yrs
A.T.Q.
x=1/7×y
7x=y.......eq(1)
A.T.Q. After 8 yrs
x+8=(y+8)1÷3
3(x+8)= y+8
3x+24=y+8
3x+24-8-y=0
3x+16-7x=0 (y=7x) By eq (1)
-4x=-16
4x=16
x=16÷4
x=4
So, Reema's present age is 4 yrs
and her cousin's present age is 28 yrs.
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