Question

The ages of Ravi and Rohit are in the ratio 5:7 . Eight years ago , their ages were in the ratio 7:13 . Find their present ages .

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Answer 1

Step-by-step explanation:

$\huge\pink{\fbox{\bf{Answer}}}$The ratio of Hari's and Harry's present ages is 5:7 

So, let their ages be 5x and 7x

After 4 years their ages will be in ratio 3:4

Therefore,(5x+4)/(7x+4)=3/4

or, 4(5x+4)=3(7x+4)

or, 20x+16=21x+12

or, 16−12=21x−20x

or, 4=1x

or, x=4

Therefore, present age of Hari = 5x=(5×4)=20 years.

Present age of Harry =7x=(7×4)=28 years

The sum of their age is 28+20=48years

Answer 2

Answer:

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