Which pair of words is different from the others?

D. FISH - SHARK

If '?' means multiplication, '?' means division, and '?' means addition, what is the value of 8 ? 2 ? 4 ? 3?

B. 14

In a race of 50 runners, if Sam is 15th from the top, what is his position from the bottom?

A. 36TH

If 'APPLE' is coded as 1613125, what is the code for 'GRAPE'?

A. 7181615

If X * Y means X is the mother of Y, and Y ÷ Z means Y is the father of Z, what is the relationship between X and Z?

A. GRANDMOTHER