Answers

2016-03-25T01:53:58+05:30
Let pranay's age be x
his father's age =7x
two years later
5(x+2)=7x+2
5x+10=7x+2
8=2x
x=4
pranay's age is 4years
and his fathers =4×7=28years 

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2016-03-25T08:04:02+05:30
Let pranay's present age be x
then his father ' s age 7x

after 2 yrs pranay' s father age (7x+2)
pranay' s age (x+2)

according to given question

(7x+2)=5(x+2)

7x+2=5x+10

7x-5x=10-2

2x=8
x=4
therefore pranay's age = 4yrs
his father's age = 28

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