Which number doesn't belong?

Which number doesn't belong?  


27
24
2
12


Please write down your reasons and place your work in the box by the office.  Remember to put down your first and last name and division.  

Finish the Pattern

5,10,

Finish the pattern and put it in the math box by the office.
How many different patterns can you make with 5,10,.....?
Make as many patterns as you can and put them in the math box.
Remember to put your first and last name and division on your work.

Which number doesn't belong

Which number doesn't belong?

A) 1

B)21

C)14

D)61

Write your answer and your reason why that number doesn't belong down and put it in the box on the table by the office. Remember to put your first name and division.