Question

Find the average of first 18 whole numbers.

A 8.5 Correct Answer Incorrect Answer
B 4 Correct Answer Incorrect Answer
C 9 Correct Answer Incorrect Answer
D 11 Correct Answer Incorrect Answer

Solution

First 18 whole numbers = 0, 1, 2, …….., 16, 17 Average = (1st term + last term)/2 = (0 + 17)/2 = 8.5

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