In the pattern 3, 6, 12, 24, what is the next number?

C. 48

Choose the odd pair of words.

C. CAR - ENGINE

In a class of 30 students, John is ranked 8th from the top. What is his rank from the bottom?

B. 23RD

Find the missing letter in the sequence M, N, O, ?, Q, R.

A. P

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

A. 312