The average of 11 numbers is 35. If the average of the first 6 numbers is 32 and the average of the last 6 numbers is 37. Number six...

The average of five numbers is 612. If the average of the first two numbers is 418 and the average of the last two numbers is 521. find the third number.

The mean of 11 numbers is 35. If the mean of the first 6 numbers is 32 and that of the last 6 numbers is 37, then the sixth number is

The average of 21 numbers is 12. The average of the first 11 numbers is 9 and the average of the last 11 numbers is 15. What is the value of the middle number ?

The average of 10 numbers is 41. The average of first 3 numbers is 39.4 and the average of last 4 numbers is 43.5. 4^(th) number is 2 more than the 5^(th) number and 0.2 more than the 6^(th) number. What is the average of the 4^(th) and 6^(th) numbers

The average of 9 numbers is 18. If the average of first five numbers is 19 and the average of last 5 numbers is 17, find the 5th number.

The average of 40 numbers is 36. The average of the first 25 numbers is 31 and the average of last 16 numbers is 43. Find the 25^(th) number