Math, asked by pawanpal1731, 6 months ago

find the average of 20 minutes 15 minutes 13 minutes 12 min

Answers

Answered by harishbaland

1

Step-by-step explanation:

As we know that, average = sum of observation / no. of observation

=> 20+15+13+12/4

=> 60/4

=> 15 is the average

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