Q15. Present ages of Amit and his father are in the ratio 2:5 respectively. Four years hence the ratio of their ages becomes 5:11 respectively. What was the fathers age 5 years ago?
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let present age of Amit and his father is 2x and 5x respectively. aftr four years
2x+4/5x+4=5/11
on solving
22x+44=25x+20
44-20= 25x-22x
24=3x
x=24/3
x=8
hence Amit age is 2*8=16 years
his father's age=5*8=40 years
father's age 5 years ago was= 40-5=35 years
2x+4/5x+4=5/11
on solving
22x+44=25x+20
44-20= 25x-22x
24=3x
x=24/3
x=8
hence Amit age is 2*8=16 years
his father's age=5*8=40 years
father's age 5 years ago was= 40-5=35 years
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