Given 7 numbers, the average of three numbers is 20, the sum of other three numbers is 115 and the other numbers is 14. Find the average of all these numbers ?

Given 5 numbers, the average of two numbers is 25, the average of other two numbers is 18 and the the other numbers is 14. Find the average of all these numbers ?

Given 7 numbers, the average of two numbers is 17, the average of others three numbers is 12 and the average of the other two numbers is 15. Find the average of all these numbers ? ( Write he result as a/b )

Given 5 numbers, the average of two numbers is 17 and the average of the other three numbers is 12. Find the sum of all these numbers ?

Given 6 numbers, the average of two numbers is 15 and the average of the other four numbers is 9. Find the average of all these numbers ?

Given 5 numbers, the average of two numbers is 17 and the average of the other three numbers is 12. Find the average of all these numbers ?

Given 7 numbers, the average of three numbers is 17 and the average of the other four numbers is 21. Find the average of all these numbers ?

Given 5 numbers, the average of two numbers is the smallest 2-digit natural number divide by 4, the sum of the other three numbers is 96 . Find the average of all these numbers ?

Given 5 numbers, the average of two numbers is 20, the sum of other two numbers is the smallest 3 – digit natural number and the other number is the smallest 2 – digit number that are divisible by 3 . Find the average of all these numbers ? ( Write answer as a/b )

Given 2 numbers, the average of two numbers is 70, the difference of the them is 20 . Find the smaller number?

Given 3 numbers, the average of two numbers is 50 and the other number is the greatest different 2 – digit natural number. Find the average of all these numbers ?

Given 5 numbers, the average of two numbers is 15, the sum of other two numbers is 45 and the other number is 5 times digit 5 . Find the average of all these number ?

The average of  25 , the smallest 3- digit natural number, x and the smallest 2- digit natural number is 50 . Find the value of x ?

The average of  25 , x and the greatest 1- digit natural number is 22. Find the value of x ?

The average of  21, 15 , the smallest 2-digit natural number and x is 20. Find the value of x ?