Geometic mean of `5, 10 and 20` is ______.

Find the mean of 5,15,20 , 8 and 12

The geometric mean of 5,8,10,15,20,25,30,35 is

The geometric mean of 5,8,10,15,20,25,30,35 is

The mean of 12, 10, x, 20 and 18, is 17. Find x

The arithmetic mean of a set of 10 numbers is 20. If each number is first multiplied by 2 and then increased by 5, then what is the mean of new numbers ?

If the geometic mean between a and b is (a^(n + 1) + b^(n + 1))/(a^(n) + b^(n)) , then n

Find out the mean of 12,10,20

If the mean weight of 10 students is 25 kg and the mean weight of another 10 students is 35 kg, then the mean weight of 20 students is _______.

What is the harmonic mean of 10, 20, 25, 40 and 50 ?