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Q: The average of ten numbers is 32.5. The average of first four numbers is 25.6 and that of the last three numbers is 38.2. The 5th number is 50% more than the 6th number and 8 less than the 7th number. What is the average of 5th and 7th numbers ?
  • A. 42
  • B. 41
  • C. 42.4
  • D. 41.5
Correct Answer: Option D -
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Explanations:

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