Home
Class 14
MATHS
The arithmetic mean of 11 observations i...

The arithmetic mean of 11 observations is 11. The arithmetic mean of the first 6 observations is 10.5 and the arithmetic mean of the last 6 observations is 11.5. What is the sixth observation ?

A

`10.0`

B

`10.5`

C

`11.0`

D

`11.5`

Text Solution

AI Generated Solution

Promotional Banner

Similar Questions

Explore conceptually related problems

The arithmetic mean of 4 numbers is 15. The arithmetic mean of another 6 numbers is 12. What is the arthmetic mean of the combined 10 numbers?

If the mean of five observations is 11, find the mean of first three observations.

The mean of 9 observations is 36. If the mean of the first 5 observations is 32 and that of the last 5 observations is 39, then the fifth observation is

The mean of 25 observations is 36. If the mean of the first 13 observations is 32 and that of the last 13 observations is 39 then the 13^(th) observation is :

The Arithmetic Mean of 13 observations is 14. If the Mean of 1st seven observations is 12 and that of last seven observations is 16, the 7th observation is-

The mean of 9 observations is 36 .If the mean of the first 5 observations is 32 and that of the last 5 observations is 39 ,then the fifth observation is

The mean of 9 observations is 36. If the mean of the first 5 observations is 32 and that of the last 5 observations is 39, then the fifth observation is a)28 b)31 c)43 d)37

In ten observation, the mean of all 10 numbers is 15, the mean of the first six observation is 16 and the mean of the last five observation is 12. The sixth number is

The mean of 10 observations is 12. If mean of first 6 observations is 13. Find the mean of remaining 4 observations.