Question

The ratio of the present ages of A and B is 5.6. The ratio of their ages five years before was 4:5. Find the
present ages​

Answer 1

Answer:

Let A present age is a.

Let B present age is b.

For,

a:b = 5:6  

Let the common multiple be c. there fore,

a=5c and b=6c and

A age fine years from now is a+5  

B age fine years from now is b+5  

hence,  

 (a+5):(b+5)=6:7

⇒  

6c+5

5c+5

​  

=  

7

6

​  

 

⇒ 35c+35=36c+30

hence the c=5

hence the present age of A is 25

and B is 30

Explanation:

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