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1.
After replacing an old member by a new member , it was found that the average age of five members of a club is the same as it was 3 years ago . What is the difference between the ages of the old and the new member ?
- A. 15 year
- B. 15 year
- C. 15 year
- D. 15 year
Answer: Option A
Explanation:
Age decreased = (5 × 3) years = 15 years
So, the required difference = 15 years
So, the required difference = 15 years
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