Explanation

Argon is a commonly used gas used to fill incandescent light bulbs.

It increases bulb life by preventing the tungsten filaments from deteriorating too quickly.

Other gases are also used in lighting such as:

• Helium
• Neon
• Nitrogen
• Krypton

Explanation

• The Muhammadan Anglo-Oriental College was founded by Sir Syed Ahmad Khan in 1875, initially as a primary school, with the intention of turning it into a college-level institution.
• In 1877, the school was raised to college level.
• Lord Lytton, the Viceroy of India at the time, laid the foundation stone of the Muhammadan Anglo-Oriental College (MAO College) on January 8, 1878. The college was later upgraded to Aligarh Muslim University (AMU) in 1920.

Explanation

There are 5 Great Lakes in the world.

They are located in North America:

1. Superior
2. Michigan
3. Huron
4. Erie
5. Ontario

They form the largest group of freshwater lakes by total area.

Four of the five Great Lakes are shared by the United States and Canada.

Explanation

The Least populated Official province of Pakistan Is Balochistan.

Its density is low due to the mountainous terrain and scarcity of water. 

Balochistan is the largest province of Pakistan by land area

Explanation

The Battle of Plassey in 1757 was fought between the British East India Company,

Date: 23 June 1757

Location: Palashi (Anglicised version: Plassey) on the banks of the Hooghly River,

Led by Robert Clive and the Nawab of Bengal, Siraj-ud-Daulah, and his French allies

The battle helped the British East India Company take control of Bengal in 1772. 

Explanation

You can easily calculate 18 is 75 percent of what number by using any regular calculator, simply enter 18 × 100 ÷ 75 and you will get your answer which is 24.

Explanation

Juvenile prisoners are generally under the age of 18 years.

The term "juvenile" refers to individuals who have not yet reached adulthood.

They are subject to different legal and correctional standards.

Explanation

Canada's coastline is the world's longest, measuring 243,042 km

Norway has the second longest coastline in the world after Canada, with a length of 100,915 km

Indonesia (54,716 km),

Russia (37,653 km),

the United States (19,924 km)

China (14,500 km).

while

West Bengal has the smallest coastline.

Explanation

To find the number, you can set up an equation:

7% of x = 42

To solve for x, you can convert the percentage to a decimal by dividing by 100:

0.07x = 42

Then, divide both sides by 0.07:

x = 42 / 0.07

x = 600

So, the number whose 7% is 42 is 600!

Explanation

• NSG stands for Nuclear Suppliers Group.
• It is a multinational body that seeks to prevent nuclear proliferation by controlling the export and re-transfer of materials that may be used to develop nuclear weapons.