Question

The mean of the numbers 10, 20, 30 and 40 is _____
a) 20
c) 30
b) 25
d) 50​

Answer 1

Answer:

50

Step-by-step explanation:

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Answer 2

Answer:

25

Step-by-step explanation:

mean of n numbers is sum of them divided by total number of numbers

hence here mean = (10+20+30+40)/4

                              = 100/4

                              = 25