Question

Arun's age is four years more than Pranshant's age . 4 years ago , the ratio of their ages was 5:4 .Find thier present ages.​

Answer 1

Answer:

4 years ago.. Prashant's ags was= x-4 yrs. Arun's age was= x+4_4= x yrs. Ratio of their ages =5:4 X/X-4 = 5/4 So 4x = 5x-20 X=20 Prsnt age of Pranshant= 20 yrs.

Step-by-step explanation:

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Answer 2

Answer:

20 years and 24 years

Step-by-step explanation:

let,

the present age of Prashanth be x years

let present age of Arun be (x+4) years

Thus,

Prashanth's age 4 years ago= (x-4) years

Arun's age 4 years ago = (x+4-4) years = x years

Given:

4 years ago, the ratio of Arun's and Prashanth's age was 5:4

=> x:(x+4) = 5:4

=> x/(x+4) = 5/4

=> 4x = 5(x-4)

=> 4x = 5x - 20

=> 20 = 5x - 4x { Transposing }

=> 20 = x

thus,

present age of Prashanth (x) = 20 years

present age of Arun (x+4) = (20+4) = 24 years

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