Question

THE AGES OF ROHAN RAHUL ARE IN THE RATIO 5:7.FOUR YEARS FROM NOW THEIR RATIO OF AGES WILL BE 3:4.FIND THEIR PRESENT AGES???????

Answer 1

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Answer 2

let the age of Rohan and Rahul be =5x

and 7x

after four yrs later their ages will be =5x+4 and 7x+4

according to question :

5x+4/7x+4 =3/4

4(5x+4)=3(7x+4)

20x 16=21x+12

16-12=21x-20x

therefore x=4

now Rohan 's age will be 5x4=20yrs

now Rahul 's age will be 7x4=28yrs

therefore the ages are 20 and 28 yrs