Question

The ages of A and B are in the ratio 9:4 Seven years hence the ratio of their ages will be 5:3 . Find their present ages​

Answer 1

Answer:

Let the present ages of A and B be a and b

b

a

=

4

9

a=

4

9b

After 7 yrs ages of A and B will be a+7 & b+7

b+7

a+7

=

3

5

3(a+7)=5(b+7)

3a+21=5b+35

3a=5b+14

3(

4

9b

)=5b+14

4

27b

−5b=14

4

7b

=14

b=2×4=8

a=

4

9×8

=9×2=18

∴Present ages of A and B will be 18 and 8

Answer 2

Step-by-step explanation:

HOPE YOU ARE SATISFIED BY THIS SOLUTION.

THANK YOU HAVE A GREAT WEEK END.