Multiple choice

The ratio of father age and son age is 4 : 1 the product of their age is 196. What will be the ratio of their age after 5 years? पिता और पुत्र की आयु का अनुपात 4 : 1 और उनके आयु का गुणनफल 196 उनकी आयु का अनुपात पांच साल बाद होगा?

  1. 3 : 1

  2. 10 : 3

  3. 11 : 4

  4. 14 : 5

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let ages be 4x and x. Product 4x² = 196, so x² = 49, x = 7. Present ages: 28 and 7. After 5 years: 33 and 12. Ratio = 33/12 = 11/4 = 11:4. The key is solving for the multiplier first, then applying the time shift.