Question

the average rainfall for 3 months is 12 cm. If the rainfall for the first two months is 13 cm and 15 CM respectively, Find the rainfall for the three months. IN THIS QUESTION YOU HAVE TO FIND AVERAGE.

Answer 1

Rainfall for third year = 8 cm

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Answer 2

then the total rainfall in 3 months will be =12*3=36
and total of first two months rainfall is =13+15=28
then the last month rainfall is =36-28=8....
(ans)