Answer / suchi teegala

let the ratio of ages of suman and renu be 5x/7x
after four years
their ratio of ages is (5x+4)/(7x+4)=3/7
on solving the equation 20x+16=21x+12
we get x=4
on substitution in 7x
we get renu's present age as
28 years

Answer / guest

( a ) 28

Answer / rudhra murthy s.

28 years

Answer / arun

let the ratio of ages of suman and renu be 5x/7x
after four years
their ratio of ages is (5x+4)/(7x+4)=3/4
on solving the equation 20x+16=21x+12
we get x=4
on substitution in 7x
we get renu's present age as
28 years

Answer / pramodkumargaraladinni@gmail.c

The ratio of the present ages of Suman and Renu is 5 : 7
respectively. Four years hence the ratio will become 3 : 4
respectively. What is the present age of Renu in years?
ANS'
( 3:4 = or 3/7 and 4/7)
( 3*7=21 and 4*7 =28 and add the both answer like 21+28=49 multiple by 4 years= 196/7=28.
ans ; 28

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