In the following question a certain relation exists between the first two words. The same relation also exists between the third and the fourth word. Out of these four words one word is missing and is denoted by a question mark in the question. Find out the missing word from the words given below.
Donkey : Mule :: Goat : ?

Kid

The answer is Kid.

The relationship between the first two words is that the first word is an animal that can be bred with a horse to produce a mule, and the second word is the offspring of that breeding. The same relationship exists between the third and fourth words.

• Donkey can be bred with a horse to produce a mule.
• Goat can be bred with a sheep to produce a kid.

• Grass is food that donkeys and goats eat, not the offspring of their breeding.
• Cub is the offspring of a bear, not a donkey, goat, or mule.
• Milk is a product that goats produce, not the offspring of their breeding.