What is the average of first 10 multiples of 6?
Explanation:
The first 10 multiples of 6 are:
6, 12, 18, ..., 54 and 60
Since these numbers are in Arithmetic Progression, their average is same as average of first and last terms
∴ Required Average = (6 + 60)/2 = 33
Hence, option (d).
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