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The difference between the ages of two sisters is half the difference between the ages of their parents. The elder sister is 18 years of age. Their father’s age was 32 years when the younger sister was born who is now 15 years old. What is their mother’s age?
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- 40
- 41
- 42
- 43
- 40
Correct Option: B
Let mother’s age = y years
The age of elder sister = 18 years
Father’s present age = 32 + 15 = 47 years
According to question ,
∴ 47 – y = 2 (18 – 15) = 6
⇒ y = 47 – 6 = 41 years
