Explanation

• Vasco da Gama was a famous explorer and navigator from Portugal.

Additional information:

• Born: 1460, Sines, Portugal
• Died: 1524, Cochin, India
• Famous Achievement: First European to reach India by sea in 1498
• Significance: Opened direct maritime trade between Europe and Asia

Last verified on 15-01-2026

Explanation

• The formula for the perimeter of a rectangle is 2(length + width).
• A rectangle has two equal lengths and two equal widths.
• Therefore, perimeter = length + width + length + width.
• Simplified formula: P = 2(l + w).

Last verified on 14-08-2026

Explanation

شعر کے آخر میں آنے والے ایسے ہم آواز اور ہم وزن الفاظ جو معنی کے اعتبار سے مختلف ہوں، قافیہ کہلاتے ہیں۔ 

قافیہ کی اہم خصوصیات

ہم آہنگی: آواز اور وزن میں یکساں ہوتے ہیں۔

معنی: ایک دوسرے سے مختلف معنی رکھتے ہیں۔

مقام: عام طور پر ردیف سے پہلے آتے ہیں۔

Last updated 25-07-2026 by NA

Explanation

To convert 45 to binary:

45 ÷ 2 = 22 remainder 1

22 ÷ 2 = 11 remainder 0

11 ÷ 2 = 5 remainder 1

5 ÷ 2 = 2 remainder 1

2 ÷ 2 = 1 remainder 0

1 ÷ 2 = 0 remainder 1

Reading remainders from bottom to top: 101101

Therefore, 45 in binary = 101101.

Last verified on 18-07-2026

Explanation

• Neil Armstrong was the first human to set foot on the Moon on July 20, 1969, during NASA's Apollo 11 mission.
• His famous words upon landing were, "That's one small step for man, one giant leap for mankind."

Additional information:

• Neil Alden Armstrong was died on August 25, 2012.
• He was born on August 5, 1930.

Last verified on 01-04-2026

Explanation

• The Hijri calendar was officially started by Hazrat Umar (RA).
• It is based on the migration (Hijrah) of Prophet Muhammad (PBUH) in 622 AD.
• This event marks the beginning of the Islamic era.
• It consists of 12 lunar months.
• It is still used for Islamic events and dates today.

Last verified on 25-04-2026

یہ سوال ضرور پڑھیں

Current Hijri Year is ______(Click)?

Explanation

• Qutb Uddin Aibak was a slave and general of Muhammad Ghauri.
• Later becoming the first ruler of the Delhi Sultanate.
• After Ghauri's assassination in 1206, Aibak declared himself Sultan of Delhi and established the Mamluk (Slave) Dynasty.

Last verified on 03-04-2026

Explanation

• A set containing no elements is called an empty set
• Also commonly known as a null set or void set
• A set with zero elements
• There are three common notations for the null set: { } , ∅ , ∅ .

Last updated 11-03-2026

Explanation

• National Assembly Founded in 1947, Karachi.
• National Assembly is the Lower House of Parliament.
• Senate is the Upper house of Parliament.
• Old member 342 now 336.

Last verified on 08-03-2026

Explanation

• Petroleum, Coal, and Natural gas are all fossil fuels. 
• They are non-renewable energy sources 
• Major contributors to global energy production.
• Coal: A solid fossil fuel primarily derived from ancient swamp plants.
• Petroleum (Oil): from the remains of marine microorganisms like plankton.
• Natural gas: Composed of methane, often found in underground deposits alongside petroleum or coal

Last updated on 06-March-2026