Counting

Answer all the questions below and press submit to see how many you got right.

id: 61

Which of the numbers between 1 and 10 is missing in 8, 7, 3, 1, 9, 5, 2, 6, 4

id: 91

How many X are in $\begin{matrix}X&X&X\\X&X&X\\\end{matrix}?$

id: 34

What is the number between 1 and 3?