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Q. The average age of 10 children is 9 years 9 months. The average of 9 children is 8 years 11 months. What is the age of the tenth child?

  • (A) 18 years 3 months
  • (B) 17 years 3 months
  • (C) 18 years 4 months
  • (D) 17 years 5 months
  • Correct Answer - Option(B)
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  • Filed under category Math
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