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

B. 23RD

A team of four members is to be formed from the following individuals: X, Y, Z, W, and V. The selection criteria are: 1) X cannot be selected with Y. 2) Z must be included if W is selected. 3) V can only be selected if X is not selected. Which of the following combinations is valid?

B. Y, Z, W, V

From the options below, which combination of items meets the following criteria: 1) Item A cannot be included if Item B is included. 2) Item C must be included if Item D is included. 3) Item E can only be included if Item A is not included. Which of the following combinations is valid?

C. B, C, E

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