Identify the number that does not belong to the group.

D. 50

Choose the odd number from the following options.

D. 22

Select the number that is different from the others.

D. 30

Which number does not fit with the others?

D. 28

If A=1, B=2, C=3, and so on, what is the code for the word 'CAT'?

B. 312