The ratio between the ages of father amp son at present is 7 3 4yr hence the ratio between son amp h...........

Quantitative Aptitude ( CCS) Problems based on Ages

The ratio between the ages of father & son at present is 7:3. 4yr hence the ratio between son & his mother will be 1:2. Find the ratio of the present ages of father & mother?

3:4

5:4

4:3

Can’t determined

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Explanation:

Solution:
Let age of father & son …. 7x, 3x
4yr hence, son’s age = 3x+4
Ratio of ages of son & mother … 3x+4 : M = 1:2
M = 6x+8
F + M = 7x : 6x+4
We can’t find value of x. so ans is D.