In a class of 30 students, A is ranked 8th from the top. What is A's rank from the bottom?

B. 23RD

Select the number that does not belong to the group.

C. 12

B is ranked 15th from the bottom in a group of 40 people. What is B's rank from the top?

B. 26TH

If the pattern is 1, 2, 4, ?, 16, what number should replace the question mark?

B. 8

Which word is formed by adding both a prefix and a suffix to the root 'place'?

B. PLACEMENT