SSC GD AVERAGE-3 QUIZ

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Question 1:

If the average of $m$ numbers is $n^{2}$ and that of $n$ numbers is $m^{2}$ then average of $(m+n)$ number is:

Question 2:

The average of 47 consecutive odd number is 65 then find difference between largest and smallest number.

Question 3:

Find the average of first 30 even natural numbers 

Question 4:

The sum of eleven consecutive odd numbers of a set is 825 . What is the average of first five numbers of the same set?

Question 5:

The average (arithmetic mean) of $6^{21}, 6^{42}, 6^{63}, 6^{84}, 6^{105}$ and6 $^{126}$ is