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Meera's average in 5 subjects is 72. Leaving out her highest mark lowers the average by 3; leaving out her lowest mark raises the average by 4. What is the range of her marks?

Competition practiceStatistics
  • A30
  • B24
  • C28
  • D7

Step-by-Step Solution

Total . Highest ; lowest . Range . (7 just adds the 3 and 4.)
Answer: C) 28

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