If the letter 'Z' is the 26th letter, what is the 5th letter before 'Z'?

A. U

If the pattern is X, Y, Z, A, B, what is the next letter?

A. C

In a certain code, 'MANGO' is written as 'NBOHP'. How is 'LEMON' coded in the same way?

A. MDFPO

Which letter is the 15th in the English alphabet?

A. O

If the sequence is A, C, E, G, what comes next?

B. H