jissypoulose1168 jissypoulose1168
  • 05-04-2024
  • Mathematics
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The average of 15 numbers is 21. If the average of the first 10 numbers is 15 and the average of the last 6 numbers is 25, What is the 10th number?
1) 15
2) 20
3) 25
4) 10

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