Math, asked by marshall9583, 9 months ago

The average of the two numbers is 21 if any third number is added there the average drops to 19.

Answers

Answered by santlalsharma20195

10

Answer:

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Answered by Devit0408

3

Answer:

21×2=42.

19×3=57.

Soo..

57-42=15..

Answer is 15.

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