Explanation

The name "Muhammad" appears four times in the Quran.

1. Surah Al-Imran (3:144)
2. Surah Al-Ahzab (33:40)
3. Surah Muhammad (47:2)
4. Surah Al-Fath (48:29)

Additional information:

The name "Ahmad" is mentioned once in the Quran:

1. Surah As-Saff (61:6)

Surah Muhammad is the 47th surah of the Quran.

• It has 38 verses.

Last updated 08 Nov 2026 by NA

Explanation

• Modem is a computer hardware device used for communication over a network.
• Modem stands for Modulator-Demodulator.
• A modem converts digital data into signals suitable for transmission.
• It also converts incoming signals back into digital data.
• Modems are commonly used to provide Internet connectivity.

Last verified on 15-09-2026

Explanation

• PowerPoint is used to create multimedia presentations.
• Combines text, images, audio, video, animations, and charts.
• Developed by Microsoft.
• File extension: .pptx

Last updated on 14-09-2026

Explanation

• Discoverer: Alexander Fleming
• Year of discovery: 1928
• Place: St. Mary's Hospital, London
• First patient treated with penicillin: Albert Alexander
• Date of first treatment: 12 February 1941

Last verified on 14-09-2026

Explanation

A national census in Pakistan is legally mandated by the constitution to be held every 10 years

1. First 1951
2. Second 1961
3. Third 1972
4. Forth 1981
5. Fifth1998 
6. Sixth 2017
7. Seventh 2023

Explanation

• Carbon dioxide (CO₂) is used in fire extinguishers.
• It extinguishes fire by displacing oxygen and cooling the burning material.
• CO₂ fire extinguishers are especially effective for electrical and flammable liquid fires.
• Carbon dioxide is a colorless and non-flammable gas.
• It leaves no residue after use.

Explanation

• O⁻ (O Negative) is the universal donor blood group.
• It can be transfused to A, B, AB, and O blood groups.
• O⁻ blood lacks A, B, and Rh (D) antigens.

Additional information:

• Universal Recipient: AB⁺ (AB Positive)
• ABO Blood Groups: A, B, AB, O
• Rh Types: Positive (+) and Negative (−)
• Total Common Blood Groups: 8 (A⁺, A⁻, B⁺, B⁻, AB⁺, AB⁻, O⁺, O⁻)

Last verified on 14-07-2026

Explanation

• The Nisab (minimum limit) for gold is 7.5 tola (87.48 grams).
• The ratio/nisab of Zakat is 2.5%.
• Zakat was made obligatory in 2 A.H.
• It was fully implemented in 9 A.H.

Additional information:

• Silver Nisab: 52.5 tola = 612.36 grams
• The word “Zakat” occurs 32 times in the Holy Quran.
• Zakat means purification and growth of wealth.
• “Zakat is the treasure of Islam” is a famous saying of the Holy Prophet (PBUH).

Last verified on 11-05-2026

Explanation

Explanation

• Let r be the radius of a circle.
• Then, the area of the circle = πr^2 
• If radii are doubled, than radii become 2r.
• Now, area of circle =π(2r) 2
•  =4π.
• Therefore, the area of the circle is increased by 4 times.