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Find the average of all whole number 1 and 100 that end in 3.

Find the average of all whole number 1 and 100 that end in 3. Correct Answer None of them

The numbers are 3, 13, 23.33.......93So difference between each number is same. This series in AP.The avarage formula for AP is (first + last term)/2Therefore the answer is (3 + 93)/2 = 48.

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