In a group of five friends: Alice, Bob, Charlie, David, and Eva, Alice and Bob cannot be selected together. Charlie can only be selected if David is also selected. Eva can be selected only if Charlie is not selected. Which of the following combinations can be selected?

C. ALICE, DAVID, EVA

In the pattern: M, N, O, ?, Q, R, what is the missing letter?

A. P

In a certain code, 'APPLE' is represented as 1, 16, 16, 12, 5 and 'GRAPE' is coded as 7, 18, 1, 16, 5. What is the code for 'PEAR'?

A. 16, 5, 1, 18

Choose the odd letter group: PQRS, UVWX, YZAB, CDEF, GHIJ

C. YZAB

If 'SCHOOL' is coded as 'TIDPMM', what is the code for 'TEACH'?

A. UFBID