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Q: A group of five students took an examination. Another student joined the group after taking the examination later by including his marks, the average marks of the group increased by 2 marks. This student has scored ----- marks more than the average marks without including him.
  • A. 18
  • B. 14
  • C. 12
  • D. 15
Correct Answer: Option C -
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Explanations:

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