Question : The average of all the numbers between 14 and 61 which are divisible by 5 is:
Option 1: 37.5
Option 2: 38
Option 3: 40
Option 4: 44
Correct Answer: 37.5
Solution :
The average of all the numbers between 14 and 61 which are divisible by 5
= $\frac{15+20+25+30+35+40+45+50+55+60}{10}$
= $\frac{75×5}{10}$
= $37.5$
Hence, the correct answer is 37.5.
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