Given below are four jumbled sentences. Pick the option that gives their correct order.

P. The Spanish flu, also known as the 1918 flu pandemic, was a deadly pandemic in recent history.

Q. It spread worldwide during the year 1918-1919.

R. The virus infected 500 million people - about a third of the world's population at the time.

S. The death toll was estimated to be at least 50 million worldwide, possibly as high as 100 million this makes it the severest pandemic in human history.

PQRS

The correct answer is Option (1) - PQRS

The correct order of the jumbled sentences is PQRS.

• P. The Spanish flu, also known as the 1918 flu pandemic, was a deadly pandemic in recent history. This sentence introduces the topic of the paragraph, which is the Spanish flu pandemic.
• Q. It spread worldwide during the year 1918-1919. This sentence states when the Spanish flu pandemic occurred.
• R. The virus infected 500 million people - about a third of the world's population at the time. This sentence states how many people were infected by the Spanish flu.
• S. The death toll was estimated to be at least 50 million worldwide, possibly as high as 100 million this makes it the severest pandemic in human history. This sentence states how many people died from the Spanish flu, making it the worst pandemic in human history.