Question : What is the average of the first five multiples of 11?
Option 1: 11
Option 2: 55
Option 3: 33
Option 4: 22
Answer (1)
5th Jan, 2024
Correct Answer: 33
Solution :
Average of first five multiples of 11
= $\frac{11 + 2×11 + 3×11 + 4×11 + 5×11}{5}$
= $\frac{11(1+2+3+4+5)}{5}$
= $\frac{11×15}{5}$
= 33
Hence, the correct answer is 33.
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