6 years ago the ratio between the age of B rsquo s mother and B rsquo s age was 7 3 8 years hence th...........

Quantitative Aptitude(IBPS RRB PO) Problems based on Ages

6 years ago, the ratio between the age of B’s mother and B’s age was 7 : 3. 8 years hence, the ratio between their ages will be 7 : 4. Find the present age of B.

20 years

34 years

24 years

32 years

48 years

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Explanation:

Let the ages of B's mother and B be X.
According to the question:

$\frac{7x+14}{3x+14}=\frac{7}{4}$

28x +56 =21x +98

x=6
The present age of B: 3X + 6 = 18 + 6 = 24 years

By: Munesh Kumari

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6 years ago the ratio between the age of B rsquo s mother and B rsquo s age was 7 3 8 years hence th...........

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Explanation:

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