Explanation

• Hydrogen and helium are the two lightest gases.
• Helium is the second most abundant element in the universe, after hydrogen.
• Helium has monatomic molecules.
• It is the lightest of all gases except hydrogen.
• Hydrogen is the lightest gas known.
• It provides the maximum lift for balloons due to its very low density.

Last updated question 17-02-2026

Explanation

• Hazrat Khalid bin Waleed (R.A) was given the title “Saifullah” (Sword of Allah).
• Given by: Holy Prophet Muhammad (PBUH)
• Born: 592 AD (Makkah)
• Died: 642 AD (Homs, Syria)
• Served under: Prophet Muhammad (PBUH), Abu Bakr (R.A), Umar (R.A)

Last verified on 10-06-2026

Explanation

• A broken reed means a weak, ineffective person or thing that cannot be depended on when you need help
• ناقابلِ اعتبار سہارا یا غیر معتبر شخص ہے۔

Last updated NA on 10-09-2026

Explanation

• The Indian Councils Act 1909, also called the Morley-Minto Reforms, introduced separate electorates for Muslims.

Additional information:

• Date of introduction: 12 March 1909
• Total members in Central Legislative Council: 60
• Muslim reserved seats: 5
• 27 members were to be elected from different constituencies.
• Nehru Report (28 August 1928) rejected the demand for separate electorate.

Last verified on 01-04-2026

Explanation

• The first Prime Minister of Pakistan was Liaquat Ali Khan
• Tenure: 15-08-1947 to 16-10-1951.
• Party: Pakistan Muslim League.
• Secretary of the All-India Muslim League in 1936
• 1st Minister of Defence from 15 August 1947 – 16 October 1951
• 1st Minister of Foreign Affairs from 15 August 1947 – 27 December 1949
• Born: 1 October 1895, Karnal, Punjab, India
• Died: 16 October 1951 (aged 56), Rawalpindi
• Manner of death: Assassination

**

Last updated by NS on 5-09-2026

Explanation

• The Pacific Ocean is the largest and deepest ocean on Earth.
• It covers about 30% of the Earth's surface.
• It contains 97% of the Earth's water.
• The Mariana Trench, the deepest part of the ocean.
• It is located in the Pacific.
• The Arctic Ocean is connected to the Pacific Ocean via the Bering Strait.

Additional information:

• The Arctic Ocean is the Smallest Ocean of the world.
• Oceans cover 71% of the Earth's surface.
• The Indian Ocean is the warmest, with the Persian Gulf being the hottest area.
• The Diamantina Trench is the deepest point in the Indian Ocean.
• Jordan does not have an ocean.

Last verified on 17-03-2026

Explanation

Explanation

• The capital of Japan is Tokyo. 
• Tokyo means "Eastern Capital".
• History: It became the imperial capital in 1868 after replacing Kyoto

• Japanese currency is the Yen.
• Japan's official language is Japanese.
• Japan is located in the Continent of Northeast Asia or East Asia.
• Japan's national sport is Judo. 
• The Japanese Parliament is called the Diet.

Last updated by NA on 09-09-2026

Last verified on 23-08-2026

Explanation

• Sunlight travels at the speed of light (~3 × 10⁸ m/s).
• Takes 8 minutes 20 seconds on average to reach Earth.
• Sunlight takes approximately 499 seconds to travel from the Sun to Earth.
• Distance traveled: 150 million km from Sun to Earth.
• Moonlight takes only 1.3 seconds to reach Earth.

Last verified on 13-03-2026

Explanation

• Location: Eastern Karakoram Range, Ghanche District, Gilgit-Baltistan.
• Length: 76 km
• Height: About 20,000 feet
• Significance: Largest glacier in Pakistan and second-largest glacier outside the polar regions.
• Meaning: Siachen means "Abundance of Roses" (گلاب کی کثرت).

Last verified on 01-04-2026