Five words have been given, out of which four are alike in some manner and one is different.
Select the odd one.
Mongoose, Beaver, Porcupine, Rat, Guinea pig

Correct option is C

Given:

- Words: Mongoose, Beaver, Porcupine, Rat, Guinea pig.
- Four are alike in some manner, and one is different.
- We need to select the odd one.

Formula Used:

1. Analyze the category or characteristics of each word.
2. Identify the similarity among four words.
3. Determine the word that does not fit the identified category.

Solution:

1. Analyze each word:
- Mongoose: A carnivorous mammal, primarily a predator.
- Beaver: A rodent known for building dams.
- Porcupine: A rodent with quills for defense.
- Rat: A rodent commonly found in urban and rural areas.
- Guinea pig: A rodent, often kept as a pet.

2. Identify the category:
- Beaver, Porcupine, Rat, and Guinea pig are all rodents.
- Mongoose is not a rodent; it is a carnivorous mammal.

3. Determine the odd one:
- Since Mongoose does not belong to the rodent category, it is the odd one out.

Final Answer:

Option C: Mongoose