Explanation

The following nine countries are declared nuclear powers: 

1. USA
2. Russia
3. UK
4. France
5. China
6. India
7. Pakistan
8. Israel
9. North Korea

Nuclear weapons first developed in 1945 (USA).

Nuclear powers are divided into:

1. Official (NPT recognized): USA, Russia, UK, France, China
2. Non-NPT / de facto: India, Pakistan, Israel, North Korea

Last verified on 06-06-2026

Explanation

• The idiom "hit the nail right on the head" broadly means to do or say something that is completely accurate, precise, and perfectly suited for the situation.
• Because it encompasses verbal accuracy, correct actions, and directness.

Last verified on 19-01-2026

Explanation

• Gratitude تشکر
• Thankfulness شکر

Last verified on 19-07-2026

Explanation

• In MS Word, Ctrl + J is used to justify text.
• Justified text is evenly aligned on both left and right margins.
• It is commonly used in books, newspapers, and formal documents.

Additional information:

• Ctrl + L → Left align
• Ctrl + E → Center align
• Ctrl + R → Right align

Last verified 29-05-2026

Explanation

• Obscure means گمنام
• Famous means مشہور

Last verified on 18-07-2026

Explanation

• In MS Excel, every formula and function starts with the equal sign (=).
• The = tells Excel that the cell contains a formula, not plain text.
• Functions such as SUM, AVERAGE, and IF also begin with =.
• Without the =, Excel treats the entry as ordinary text.

Last verified on 10-02-2026

Explanation

• The Pakistan-Afghanistan border (West/Northwest) is 2,611 km long.

Additional information:

• Pakistan’s borders with neighbors:

• India: 2,100 km (East)
• China: is 599 km (Northeast)
• Iran: 909 km (West)

• Arabian Sea coast: 1,058 km (South)
• Total land border: 6,219 km
• Land + Sea border: 7,277 km
• Land + Sea + LOC & Working Boundary: 8,340 km

Last verified on 16-01-2026

Explanation

To find the least common multiple (LCM) of 6 and 8, we need to list the multiples of each number:

Multiples of 6: 6, 12, 18, 24, ...

Multiples of 8: 8, 16, 24, ...

The smallest number that appears in both lists is 24, so the LCM of 6 and 8 is: 24

Last verified on 09-07-2026

Explanation

• A Barometer is an instrument used to measure air (atmospheric) pressure.
• It helps in weather forecasting by measuring changes in atmospheric pressure.
• The mercury barometer is the oldest type of barometer.
• It was invented by Evangelista Torricelli in 1643.
• Barometers are widely used in meteorology and aviation.

Last verified on 09-07-2026

Explanation

• Harappa was an Indus civilization urban centre.
• It lies in Punjab Province, Pakistan, on an old bank/bed of the River Ravi. 
• Harappa was the first site of the civilization to be excavated in 1921.
• The excavation team was led by Daya Ram Sahni.

Last verified on 25-06-2026