Ratio of the ages of A and B is 5 x A is 18 years younger to C After nine years C will be 47 years o...........

Quantitative Aptitude ( CCS) Problems based on Ages

Ratio of the ages of A and B is 5 : x. A is 18 years younger to C. After nine years C will be 47 years old. If the difference between the ages of A and B is same as the age of C, what is the value of x?

14.5

13.25

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Explanation:

Solution:
Given
A:B=5:x –1
A = C – 18 —2
C + 9 = 47 =>C=47-9=38yrs.
A – B = C —3
From 2 A=38-18=20yrs.
From 1 20/B=5/x==> B=4x
From 3 4x-20=38
X=14.5.