1 . The average of 7 numbers is 12. After discarding one number, the average becomes 11. What is the discarded number?
- A. 7
- B. 10
- C. 18
- D. 12
- D. 15
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Sonali-Janata-Agrani &-Rupali Bank Ltd. &-RAKUB Officer Recruitment 28.03.2008
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