Question : The sum of 10 numbers is 686. What is their average?
Option 1: 67.5
Option 2: 65.5
Option 3: 68.6
Option 4: 66.6
Answer (1)
25th Jan, 2024
Correct Answer: 68.6
Solution :
The sum of 10 numbers is 686.
$\therefore$ The average of these 10 numbers $=\frac{\text{Sum of all the observations}}{{\text{Total number of observations}}}=\frac{686}{10}= 68.6$
Hence, the correct answer is 68.6.
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