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1. The avarage of 6 numbers in 25. If 3 more, with an average of 22 are added to these numbers, what will be the average of the combined 9 numbers?
- A. 24
- B. 24
- C. 24
- D. 24
Answer: Option A
Explanation:
The average of 6 numbers is 25
The Total of 6 numbers is = 25×6 = 150
The average of 3 numbers is 22
The Total of 3 numbers is = 22×3 = 66
The Total of (6 + 3) = 9 numbers is = (150 + 66) = 216
The average of 9 numbers is = 216/9 = 24
The Total of 6 numbers is = 25×6 = 150
The average of 3 numbers is 22
The Total of 3 numbers is = 22×3 = 66
The Total of (6 + 3) = 9 numbers is = (150 + 66) = 216
The average of 9 numbers is = 216/9 = 24
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