Select the correct answerThe average of 9z numbers is 12z. If 4z-2 is subtracted from each, then the new average is?Options10z - 28z - 212z + 28z + 2

Select the correct answerThe average of 10 numbers is 7. If each number is multiplied by 12, then the average of the new set of numbers will be?Options7828419

Difference between the average of x, y and y, z is 8. Find the difference between x and z

The average of 9 numbers is 14. If each number is increased by 4, the new average will be

Select the correct answerThe average of twelve positive numbers is 15. If the average of the first four numbers is 9 and that of the last four numbers is 26. What is the average of the remaining four numbers?Options6010251512

The average of ten numbers is 7. If each number is multiplied by 12, then the average of new set of numbers is:Options :7198284