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Q. From a class of 42 boys, a boy aged 10 year goes away and in his place. Iff on account of this change, the average age of the boys in that class increases by 2 month, the age of the newcomer is :

  • (A) 19 years
  • (B) 12 years 2 months
  • (C) 17 years
  • (D) 10 years 6 months
  • Correct Answer - Option(C)
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  • Filed under category Math
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