Math, asked by sahithiraoj, 8 months ago

The average of 12 results is 15 .the average of the first 5 results is 13 and that of the last 5 is 16 . Find the average of the other two?

Answers

Answered by DhairyaT25
3

Answer:

17.5

Step-by-step explanation:

Sum of all observations = 12 * 15 = 180

Sum of first five observations = 5 * 13 = 65

Sum of last five observations = 5 *16 = 80

Sum of other 2 = 180-(65+80)

= 35

Average = 35/2 = 17.5

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