Question:

The average age of 40 boys of a class is 12 years. When 10 new boys are admitted, the average is increased by 0.1 year. What is the average age of new boys?

Updated On: Oct 9, 2024
  • 12.1 years
  • 12.4 years
  • 12.33 years
  • 12.5 years
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The Correct Option is D

Solution and Explanation

The correct option is (D): 12.5 years
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