Explanation

Pakistan International Airlines (PIA) took its first international flight on February 1, 1955

It is the flag carrier of Pakistan.

Headquarter: Karachi

First name: Orient airways

Explanation

Pakistan's agriculture sector contributes 18.9% to country's GDP and 42.3% of its labour force (accuracy may lack)

Though recent data suggests a slight decrease to around 33.1% by 2024

Explanation

The first modern Olympic Games were held in Athens, Greece from April 6 to 15, 1896.

43 events in nine sports.

241 athletes from 14 nations. 

The United States won the most gold medals (11).

Greece won the most medals overall (47).

Explanation

The first man-made Earth Satellite name 'Sputnik 1' was launched on 4 Oct 1957

Launched by the Soviet Union.

Launch site Baikonur Cosmodrome Site

Explanation

Insulin is a hormone made by an organ located behind the stomach called the pancreas.

There are specialised areas within the pancreas called islets of Langerhans

The term insulin comes from the Latin insula that means island.

Explanation

The cash balance of Apple (AAPL) is more than cash balance of the USA

Apple is an American multinational technology company.

Founded: April 1, 1976, Los Altos, California, United States

Headquarters: Cupertino, California, United States

Founders: Steve Jobs, Steve Wozniak, Ronald Wayne

Explanation

The Moorish Kingdom of Granada surrendered to the Christian monarchs, King Ferdinand II and Queen Isabella I, on January 2, 1492.

End of Muslim rule in Spain.

Known as Reconquista.

Explanation

The Colosseum was built in Rome, Italy

It is an iconic amphitheater famous for gladiatorial contests

Known as the Flavian Amphitheatre.

Founded: AD 70–80, 1946 

Start: Began 70–72 AD by Vespasian.

Completion: Inaugurated by Titus in 80 AD.

Explanation

The communist revolution (October Revolution) in Russia

When: October 25, 1917 (Julian Calendar), which is November 7, 1917 (Gregorian Calendar). 

What: The Bolsheviks seized power in Petrograd (now St. Petersburg). 

Explanation

The Pacific Ocean's depth varies significantly:

• Average Depth: Approximately 4,000 m (13,000 ft) or 4,280 m (14,040 ft).
• Deepest Point: Challenger Deep in the Mariana Trench, exceeding 11,000 m (36,000 ft). 

The Pacific Ocean is the largest and deepest of Earth's five oceanic divisions.

It extends from the Arctic Ocean in the north to the Southern Ocean,