Explanation

Roman Number 51-100

51 - LI

52 - LII

53 - LII

54 - LIV

55 - LV

56 - LVI

57 - LVII

58 - LVIII

59 - LIX

60 - LX

61  - LXI

62 - LXII

63 - LXIII

64 - LXIV

100 - C

Last updated 18-07-2026 by NA

Explanation

• Surface tension prevents water from penetrating waterproof materials.

Additional information 

• Friction: Force that opposes the motion between two surfaces in contact.
• Adhesion: Attraction between molecules of different substances.
• Gravity: Force that pulls objects toward the Earth

Last updated by NA on 16-07-2026

Explanation

• An endemic disease is a disease that is constantly present in a specific population or geographic area.
• Examples:
• Malaria
• Chickenpox
• Dengue Fever

Additional information 

• Epidemic: A sudden, unexpected spike in cases within a specific community or region.
• Pandemic: An epidemic that has spread globally, covering multiple countries or continents.

Last updated by NA on 16-07-2026

Explanation

• Meteorology is the science of the atmosphere and weather patterns.

Additional information 

• Climatology: weather patterns and climate changes over time.
• Oceanography:  oceans, marine ecosystems, currents, and the seabed.
• Geology: Earth's solid rocks, minerals, and the physical history of its structure.
• Astronomy: celestial objects, space, and the physical universe beyond Earth

Last updated by NA on 16-07-2026

Explanation

• 24-karat (24K) gold is considered the "best"
• Purity: 99.9% pure gold.
• Color: Rich, deep, bright yellow.

Additional information

• 22K Gold: 91.7% pure gold. It is mixed with harder metals like silver or copper.
• 18K Gold: 75% pure gold. It is highly durable and excellent for diamond settings 
• Carat is the unit of measurement for the physical weight of diamonds/gold.

Last updated by NA on 16-07-2026

Explanation

• Neon is the primary gas used in decorative and advertising lights
• The color of the light depends on the gas in the tube.

Additional information

• Argon: Produces a blue or (mixed with mercury) green/purple light.
• Helium: Glows yellow or pink.
• Krypton: Emits a whitish-yellow light.
• Xenon: Creates a violet/lavender light.

Last updated by NA on 16-07-2026

Explanation

• Passed by the National Assembly of Pakistan in 1985.
• Received Presidential assent: 9 November 1985.
• Published in the official Gazette: 11 November 1985.
• Enforced during General Zia-ul-Haq's rule.
• Gave the President greater powers.
• Allowed the President to dissolve the National Assembly under Article 58(2)(b).
• Allowed dismissal of the Prime Minister and elected government.
• Repealed in 1997 by the Thirteenth Amendment.

Last updated by NA on 16-07-2026

Explanation

• Lady Finger Peak, also known as Bublimotin, is located in Pakistan
•  It is a distinctive rock spire situated in the Batura Muztagh
• A sub-range of the Karakoram Range in the Gilgit-Baltistan region. 
• First ascent: May 22, 1982, by Patrick Cordier and Jacques Maurin

Last updated by NA on 16-07-2026

Explanation

• Oranges are well-known for being rich in Vitamin C.
• It is essential for immune function, skin health, and other bodily processes.

Additional information 

• Vitamins are essential nutrients
• That your body requires in small amounts to function, grow, and develop properly.
• They are divided into two main groups:
• water-soluble (like Vitamin C and the B-vitamins)
• fat-soluble (like Vitamin A, D, E, and K)

Last updated by NA on 16-07-2026

Explanation

• The Beas River is the only major river of the Indus system
• That originates and flows entirely within India
• It merges with the Sutlej River in the Indian state of Punjab

1. Indus River: Pakistan's longest lifeline river.
2. Jhelum River: Feeds the massive Mangla Dam.
3. Chenab River: Joins Jhelum, Ravi, and Sutlej.
4. Ravi River: Flows right past Lahore city.
5. Sutlej River: Easternmost river entering from India.

Last updated by NA on 16-07-2026