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22 March, 07:03

8. The average age of 3 boys is 15 yrs. But if one is not considered,

average age will be 20 yrs. What is the age of expelled one?

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Answers (2)
  1. 22 March, 07:22
    0
    5 is the age of the expelled one because 20+20=40/2=20 20+20+5=45/3=15
  2. 22 March, 09:27
    0
    Step-by-step explanation:

    15 plus 15 plus 15 is 45 - 15 = 30
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