1 . The average age of a family of 6 members is 25 years. After a 45- yers old member leves the family, what is the average age ( in years) of the family?
- A. 22
- B. 21
- C. 20
- D. 19
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সমন্বিত ৮ ব্যাংক | অফিসার | 21-01-2022
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