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Q:

यदि 30, 50 और 70 छात्रों के तीन बैचों के औसत अंक क्रमशः 55, 70 और 70 हैं, तो सभी छात्रों के औसत क्या होगा?

  • 1
    67
  • 2
    66.50
  • 3
    69
  • 4
    68.75
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Answer : 1. "67"

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