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Q:

The average age of the 20 aspirants of a class is 19.2 years. After Some time two more aspirants join them and then average is increased by 0.3 years. Find the difference between the age of new aspirants.

  • 1
    12
  • 2
    15
  • 3
    8
  • 4
    Can't be determined
  • 5
    None of these
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Answer : 4. "Can't be determined "

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