The ratio of the ages of Maala and Kala is 4 3 The total of their ages is 2 8 decades The proportion...........

Quantitative Aptitude ( CCS) Problems based on Ages

The ratio of the ages of Maala and Kala is 4 : 3. The total of their ages is 2.8 decades. The proportion of their ages after 0.8 decades will be [1 Decade = 10 years]

6:11

2:4

3:7

6:5

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Explanation:

Let, Maala’s age = 4A and Kala’s age = 3A
Then 4A + 3A = 28
A = 4
Maala’s age = 16 years
and Kala’s age = 12 years
Proportion of their ages after 8 is = (16 + 8) : (12 + 8)
= 24 : 20
= 6 : 5