Which of the following statements are true?

the LCM of two numbers cannot be less than any of the numbers.

Q. Given the following stem-and-leaf plot and the statements shown below the plot, which of the statements are true?
The number of customers in line for an attraction
$2|222247$
$3|1223567$
$4|577$
$5|0111$
Where $3|6$ means $36$ customers
I. The mode is equal to the median
II. The median is less than the mean
III. The mean is $33$

Q. Find the number of four digit numbers that are less than $2000$ that can be formed with the digits $1,2,3,4$ such that each digit can be repeated any number of times