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The ages of Misha and Kamal are in the ratio of 4 : 3 respectively. After 9 years the ratio of their ages will be 7 : 6. What is the difference in their present ages?

A2

B13

C12

D3

Answer:

D. 3

Read Explanation:

The ratio of ages of Misha and Kamal = 4 : 3 After 9 years Ratio of ages of Misha and Kamal= 7 : 6 (4x + 9)/(3x +9) = 7/6 6(4x + 9) = 7(3x + 9) 24x + 54 = 21x + 63 3x = 9 x = 9/3 = 3 Misha= 4x = 12 Kamal= 3x = 9 Difference between their present age= 3


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