Explanation

• Alexander Graham Bell is credited as the inventor of the telephone.
• He was awarded the first successful patent for it.
• The telephone was invented in 1876.
• Bell made the first-ever telephone call to his assistant Thomas Watson.

Last verified on 31-03-2026

Explanation

Explanation

Explanation

There are five pillars of Islam:

1. First Pillar: Shahadatain (شہادتیں) – declaration of faith: “There is no god but Allah, Muhammad ﷺ is His Messenger”
2. Second Pillar: Namaz (نماز) – five daily prayers
3. Third Pillar: Zakat (زکوٰۃ) – obligatory charity, 2.5% of wealth above Nisab
4. Fourth Pillar: Fasting (Sawm / روزہ) – during Ramadan, abstaining from food, drink, and bad deeds
5. Fifth Pillar: Hajj (حج) – pilgrimage to Makkah at least once in a lifetime if able

Last verified on 22-03-2026

Explanation

Selling price = Cost + 10% profit

220 = Cost + 0.10 × Cost

220 = 1.10 × Cost

Cost = 220 / 1.10

= 200

Last verified on 30-03-2026

Explanation

The Holy Quran has 25 Prophets names mentioned:

1. Prophet Adam (A.S)
2. Prophet Idris (A.S)
3. Prophet Noah (A.S)
4. Prophet Hud (A.S)
5. Prophet Saleh (A.S)
6. Prophet Ibrahim (A.S)
7. Prophet Lut (A.S)
8. Prophet Ismail (A.S)
9. Prophet Ishaaq (A.S)
10. Prophet Yaqoob (A.S)
11. Prophet Yusuf (A.S)
12. Prophet Shoaib (A.S)
13. Prophet Musa (A.S)
14. Prophet Haroon (A.S)
15. Prophet Ilyaas (A.S)
16. Prophet Dawood (A.S)
17. Prophet Sulaiman (A.S)
18. Prophet Yunus (A.S)
19. Prophet Ayyub (A.S)
20. Prophet Dhul Kifl (A.S)
21. Prophet Yasaa (A.S)
22. Prophet Zakariyya (A.S)
23. Prophet Yahya (A.S)
24. Prophet Isa (A.S)
25. Prophet Muhammad (SAW)

Last verified on 02-04-2026

Explanation

• Jaundice is a condition characterized by yellowing of the skin and eyes.
• It is caused by excess bilirubin due to liver dysfunction or disease.

Last verified on 01-04-2026

Explanation

• Al-Baqarah (The Cow or The Heifer) is the second and longest chapter of the Quran.
• It derives its name from the story of the cow (vv. 67-73).
• Verse 282, the longest verse, is known as 'āyatu d-dayn.
• It consists of 25,500 letters.
• It is positioned in Juzʼ 1–3.
• The chapter has 40 Rukus.
• The chapter has 286 Verses.
• It is classified as Medinan.

Additional information:

• Surah Al-Kausar is the shortest surah of Holy Quran.
• Surah Aal-e-Imran is the second longest surah of Holy Quran.

Last verified on 30-03-2026

Explanation

• The hottest planet in our solar system is Venus.

Additional information:

• The black planet is called Venus.
• The second-closest planet to the Sun is Venus.
• Slowest Rotating Planet
• No moon
• Similar in size to Earth

Last verified on 30-03-2026

Explanation

• Diamond is a naturally occurring allotropic form of carbon.
• Allotropy means a single element can exist in more than one form with different structures and properties.
• It is extremely hard.
• It has a high melting point.
• It is widely used in jewelry and cutting tools.

Additional information:

• Graphite – soft, good conductor
• Fullerenes (C60) – spherical molecules
• Carbon nanotubes – tubular, high strength
• Amorphous carbon – coal, soot
• Lonsdaleite – hexagonal diamond

Last verified on 17-01-2026