Question

20. Mean of 5 numbers is 20 and mean of other 5 numbers is 30. Find the mean of all the 10 numbers taken together. ​

Answer 1

Answer:

Step-by-step explanation:

total of first 5 numbers = 20*5= 100

total of next 5 numbers = 30*5= 150

so average of 10 numbers = 250/10= 25

Answer 2

Answer:

The mean of 5 number = 20

Then, mean of other 5 number = 30