If a number is multiplied by 5 and 5 is added to it, then the result is equal to 50. Find the number

If a number is tripled and 16 is added to it, the result is equal to 40. Find the number.

A number is multiplied by 5 and 25 is subtracted from the product. The result is equal to four times the number itself. Find the number

If one-fouth, half, and one-third of a number are added to the number itself, then the result is equal to 25. Find the number

if 9 is added to a certain number the result is 36 find the number

If 9 is added to a certain number, the result is 36. Find the number.

The average of 9 numbers is 11. If each of these 9 numbers is multiplied by 5 and then 5 is added to each of these resultant numbers, then the new average is :