Question

Q. The ages of Ahan and Annanya are in ratio of 3:4.
Before four years, their ages were in ratio of 5:7. Find
their present age.
42 years and 32 years
24 years and 20 years
24 years and 32 years
24 years and 22 years
​

Answer 1

Answer:

correct answer is 24 & 32 years

Step-by-step explanation:

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Answer 2

Answer:-

Ahan = 24 year's.

Annanya = 32 year's.

Let the present ages of

Ahan and Annanya

be 3x, 4x respectively.

then 4 years ago their ages were

3x - 4 and 4x - 4

Now

$atq \\ \\ \frac{3x - 4}{4x - 4} = \frac{5}{7} \\ \\ 7(3x - 4) = 5(4x - 4) \\ \\ 21x - 28 = 20x - 20 \\ \\ 21x - 20x = - 20 + 28 \\ \\ x = 8$

therefore,

present ages of

Ahan :- 3x = 3 × 8 = 24 years.

and Annanya:- 4x = 4 × 8 = 32 years.