Four of the six numbers 1867, 1993, 2019, 2025, 2109 and 2121 have a mean of 2008. What is the sum of the digits of the mean of the other two numbers.

Find the mean of first six natural numbers.

Find the sum of 8 numbers with mean 12.

Find the sum of 12 numbers whose mean is 11.

If the mean of six consecutive multiples of 4 is 18 , find the sum of 3rd and 4th numbers.

If the average of five numbers is -10 and the sum of three of the numbers is 16, then what is the average of the other two numbers?

Find the number of three-digit numbers from 100 to 999 including all numbers which have any one digit that is the average of the other two.

Find the number of three-digit numbers from 100 to 999 including all numbers which have any one digit that is the average of the other two.

A two-digit number is 4 times the sum of its digits and twice the product of the digits. Find the number.

The sum of two numbers is 8. If their sum is four times their difference, find the numbers.

The average (arithmetic mean) of six numbers is 3. If the average of the least and the greatest of these numbers is 5, then the other four numbers could be any of the following EXCEPT