Question

Current ages of Avantika and Riddhima are in the ratio of 3 : 4 respectively. five years later, the ratio of their ages will become 7:9 respectively. What is Riddhima's current age in years? *

Answer 1

Answer:

Let, the Avantika ages be 3x yrs.

and, Riddhima ages be 4x yrs.

After, 5 yrs

Avantika ages be (3x + 5) yrs.

and Riddhima ages be (4x + 5) yrs.

According to the question,

= 3x+5/4x+5 = 7/9

= 9(3x+5) = 7(4x+5)

= 27x+45 = 28x+35

= 45-35 = 28x-27x

= 10 = x

x = 10

Hence, the Age od Avantika 3x is 3×10 = 30yrs

So, the Age of Riddhima 4x is 4×10 = 40yrs.

I hope it help you