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Find the average of largest 2-digit, 3-digit and 4-digit number.

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Find the average of largest 2-digit, 3-digit and 4-digit number.
1. 3600
2. 5500
3. 3699
4. 1599
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Best answer
Correct Answer - Option 3 : 3699

Formula used:

Average = Sum of all observation/Number of observation

Calculation

Largest 2 digit number = 99

Largest 3 digit number = 999

Largest 4 digit number = 9999

Average = (99 + 999 + 9999)/3 = 11097/3 = 3699

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