Explanation

• K-2 (Godwin Austin) has a total height of 8,611 meters (28,251 feet).
• It is the second-highest mountain in the world after Mount Everest.
• K2 is part of the Karakoram Range.
• It is located on the Pakistan–China border in the Gilgit-Baltistan region of Pakistan.
• The letter "K" stands for Karakoram.

Last verified on 12-03-2026

Explanation

Siha-e-Sitta (Sihah al-Sittah) are the six authentic books of Hadith in Sunni Islam.

1. Sahih al-Bukhari – Compiled by Imam Muhammad al-Bukhari – 7,275 Ahadith.
2. Sahih Muslim – Compiled by Imam Muslim ibn al-Hajjaj – 9,200 Ahadith.
3. Sunan al-Nasa'i – Compiled by Imam al-Nasa'i – 5,270 Ahadith.
4. Sunan Abi Dawud – Compiled by Imam Abu Dawood – 4,800 Ahadith.
5. Jami' al-Tirmidhi – Compiled by Imam al-Tirmidhi – 3,956 Ahadith.
6. Sunan Ibn Majah – Compiled by Ibn Majah – 4,000 Ahadith.

Last verified on 07-07-2026

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

• Hazrat Abu Bakr (RA) was the first adult man to accept Islam.

Additional information:

• First Woman: Khadijah bint Khuwaylid (RA)
• First Child: Ali ibn Abi Talib (RA)
• First Freed Slave: Zayd ibn Harithah (RA)
• First Slave: Bilal ibn Rabah (RA)

Last verified on 07-07-2026

Explanation

Explanation

• COUNTA() counts only non-empty cells in a selected range.
• It counts cells containing numbers, text, logical values (TRUE/FALSE), errors, and formulas that return values.
• It does not count completely empty cells.
• COUNTA() is commonly used for counting filled entries in datasets.

Additional information:

• COUNT() → Counts only numeric cells
• COUNTBLANK() → Counts empty (blank) cells
• COUNTIF() → Counts cells matching a specific condition
• COUNTIFS() → Counts cells matching multiple conditions

Last verified 08-07-2026

Explanation

• Phenomena is its correct plural form.
• Phenomenon is a singular noun.
• Example: Many natural phenomena occur in nature.

Last verified on 07-07-2026

Explanation

• The report was so flawed that it was rejected.
• The correct pattern is so + adjective + that.
• Flawed is an adjective, so so is used.
• Such is used before a noun (e.g., such a flawed report).

Last verified on 07-07-2026

Explanation

• The United States of America has received the highest number of Nobel Prizes since the Nobel Prize was established.

Top 5 Countries by Nobel Laureates:

• United States – 403
• United Kingdom – 137
• Germany – 111
• France – 71
• Sweden – 32

Last verified on 08-07-2026

Explanation

• Year of Hijrah: 622 CE
• From: Makkah
• To: Madinah
• Reason: Persecution of Muslims by Quraysh
• Islamic Calendar Started: 1 AH (Anno Hegirae)

Additional information:

• Prophet Muhammad stayed in the Cave of Thawr during the migration journey.
• Hazrat Abu Bakr (RA) accompanied the Prophet ﷺ during Hijrah.

Last verified on 10-05-2026