Practicing Success
Practicing Success
CUET Preparation Today
The ratio of the present ages of A and B is 1 : 3. After 10 years, the ratio of their ages will be 2 : 5. Find B's present age. |
70 years 85 years 90 years 80 years |
90 years |
ATQ, \(\frac{x + 10}{3x + 10 }\) = \(\frac{2}{5}\) 5x + 50 = 6x + 20 x = 30 Present age of B = 3 × 30 = 90 years |
