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If the average of 8 numbers is 20 and the average of another 4 numbers is 30, wh

Practice Questions

Q1
If the average of 8 numbers is 20 and the average of another 4 numbers is 30, what is the average of all 12 numbers?
  1. 22
  2. 24
  3. 26
  4. 28

Questions & Step-by-Step Solutions

If the average of 8 numbers is 20 and the average of another 4 numbers is 30, what is the average of all 12 numbers?
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