Select the odd pair of words from the list.

D. CLOUD - GROUND

If X ÷ Y means X is the father of Y, X - Z means X is the sister of Z, and Y + Z means Y is the brother of Z, what is the relationship of Z to Y?

A. Z IS Y'S SISTER

In a certain code, the number 123 corresponds to the word 'SUN'. What would the number for 'MOON' be if it is coded as 1454?

B. 1454

In a family of six members: A, B, C, D, E, and F. A is the mother of B and C. D is the father of B and C. E is the sister of B. F is the brother of C. Who is the youngest member of the family?

B. B

In a race, there are five runners: Alex, Brian, Charlie, Daniel, and Eva. Alex finished before Brian but after Charlie. Daniel finished before Eva but after Brian. Who finished last?

D. EVA