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Basic Mathematics QUESTION #2879
Question 1
The average weight of 3 boys is $40$ kg. If the weights of two are $35$ kg and $42$ kg, find the third.
  • 40 kg
  • 43 kg✔️
  • 45 kg
  • 38 kg
Correct Answer Explanation
Total weight $= 3 \times 40 = 120$. Third boy $= 120 - (35 + 42) = 43$ kg.