No, it does not.
24
The mean average of any one number is the number itself.
24
Yes
If could mean: 240/10 = 24
If you mean: 60, 48 .... 24 then the missing number is 36
Only because you are superstitious enough to believe that there is anything like a lucky number.
Many combinations of number have a mean of 24. For example, 22, 23, 24, 25, and 26 have a mean of 24. To find a mean, add the numbers and divide by the count of the numbers (the number of observations): (22 + 23 + 24 + 25 + 26) ÷ 5 = 24 ...but so does this: (20 + 22 + 24 + 26 + 28) ÷ 5 = 24 ...and this: (-96 + -4 + 30 + 72 + 118) ÷ 5 = 24 ...and so on...
If you mean the whole number 24, its fraction would be 24/1. If you mean 2 and 4, it would be 2/4.
4 does NOT go into 98 24 times. Therefore the answer can be anything you like.
7
Eleven doesn't "mean" anything. It's just a number.