Explanation

Explanation

• Karachi to Islamabad is a move from the south to the north 
• Islamabad is located near the eastern side of Karachi.
• The distance between Karachi and Islamabad is 1145 km. 
•  Karachi to Islamabad, Connected by Multan Sukkur Motorway 

Last updated on 06-March-2026

Explanation

• The Pak-China boundary line was demarcated during the era of President Ayub Khan.
• Signed on 2 March 1963.
• Signed by Zulfikar Ali Bhutto (Pakistan) and Chen Yi (China)
• The Pak-China agreement is called the Sino-Pak border 

Last updated on 06-March-2026

Explanation

Explanation

Force is defined by Newton’s Second Law:

***

1. Length – [L]  

2. Mass – [M]  

3. Time – [T]  

4. Speed/Velocity – [LT⁻¹]  

5. Acceleration – [LT⁻²]  

6. Force – [MLT⁻²]  

7. Work/Energy – [ML²T⁻²]  

8. Power – [ML²T⁻³]  

9. Pressure – [ML⁻¹T⁻²]  

10. Density – [ML⁻³]  

11. Momentum – [MLT⁻¹]  

12. Impulse – [MLT⁻¹]  

13. Gravitational constant (G) – [M⁻¹L³T⁻²]  

14. Planck’s constant (h) – [ML²T⁻¹]  

15. Charge – [TI] (T = time, I = current)  

16. Potential difference (Voltage) – [ML²T⁻³A⁻¹]  

17. Electric current – [I]  

18. Electric resistance – [ML²T⁻³A⁻²]  

19. Capacitance – [M⁻¹L⁻²T⁴A²]  

20. Magnetic field (B) – [MT⁻²A⁻¹]

Explanation

90 percent *90

= (90/100)*90

= (90*90)/100

= 8100/100

= 81

Question updated 03-March-2026

Explanation

The F5 key is primarily used to refresh or reload web pages in browser

Additional information

Shift + F5: Starts PowerPoint slideshow from the current slide
F6 – Moves the cursor to the address bar

F7 – Used to spell check and grammar check

F8 – Used to access the boot menu in Windows 

Last updated 15-feb-2026

Explanation

Bird is to Nest as Child is to House (or Home). 

A bird lives in a nest 

Similarly, a child lives in a house

Last updated by NA on 25-April-2026

Explanation

• Compounds with the same molecular formula but different arrangements of atoms are called isomers.
• Isomers can have different chemical and physical properties despite having the same number of atoms.

• Additional information:
  • Example of isomers: C₂H₆O → Ethanol (CH₃CH₂OH) and Dimethyl ether (CH₃OCH₃)
  • Isomerism is classified into structural isomers and stereoisomers.

Explanation

• The services sector is the largest contributor to Pakistan’s GDP.
• It accounting for around 58% of the total GDP.
• Agriculture contributes about 23%.
• Industry/manufacturing contributes around 20%.
  

Additional information:

• Services include finance, transport, education, health, and IT.
• Growth in services reflects urbanization and modernization of the economy.

Last verified on 19-01-2026