In each of the following questions, a related pair of words is followed by four pairs of words or phrases. Select the pair that best expresses a relationship similar to the one expressed in the question pair.

India : Tricolour

The correct answer is USA: Stars and stripes.

Step-by-step Explanation:

1. Analyze the given word pair (India : Tricolour):
"India" is a country, and the "Tricolour" (Tiranga) is the popular name for the national flag of India. Therefore, the relationship established here is [Country : Popular Name of its National Flag].

2. Evaluate the options based on this relationship:

• China: Sickle and Hammer - The Sickle and Hammer is a communist symbol, not the popular name of China's national flag (which is known as the "Five-star Red Flag").

• UK: Red cross - The national flag of the United Kingdom is commonly known as the "Union Jack", not the "Red cross".

• USA: Stars and stripes - The national flag of the United States of America is popularly and officially nicknamed the "Stars and Stripes". This precisely matches the [Country : Popular Name of its National Flag] relationship.

Therefore, the pair that best expresses a similar relationship to India : Tricolour is USA: Stars and stripes.