Question

find the average of 20 mins, 15 min, 13 min, 12 min​

Answer 1

Answer:

The average of 20 mins is 40, 15 min is 30, 12 min is 24

Answer 2

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Sum of the given observations

= (20 + 15 + 13 + 12) = 60 min

So the required average

= (60 ÷ 5) min = 12 min

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