A year ago the proportion between Sita and Amir rsquo s age was 4 3 1 year hence the proportion of t...........

Quantitative Aptitude ( CCS) Problems based on Ages

A year ago the proportion between Sita and Amir’s age was 4:3. 1 year hence the proportion of their ages will be 5:4. The total of their current ages is :

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Explanation:

A year ago, Sita’s age = 4A years
And, Amir’s age = 3A years
Current age of Sita = (4A + 1) years
Current age of Amir = (3A + 1) years
1 year hence, Sita’s age = (4A + 2) years
and Amir’s age = (3A + 1) years
So,
{ (4A + 2)/(3A +2) } = 5 /4
=> 16 + 8 = 15A + 10
or, A = 2
Total of their current ages = 4A + 1 + 3A + 1
= 7(A) + 2
= 7(2) + 2 = 16 years.