Explanation

• Quick Sort is the fastest in the average case among the given options.
• It has an average time complexity of O(n log n).
• It uses a divide-and-conquer strategy to sort data efficiently.

Last verified on 23-06-2026

Explanation

• Date: 16 August 1946
• Location: Calcutta (now Kolkata), Bengal, British India
• Organizer: All India Muslim League
• Announced By: Muhammad Ali Jinnah
• Outcome: Large-scale communal riots and violence between Hindus and Muslims

Last verified on 02-02-2026

Explanation

• Passed on 23 March 1940 at Minar-e-Pakistan (then Minto Park).
• Presented by A. K. Fazlul Huq.
• Presided over by Muhammad Ali Jinnah.
• Demanded independent states in North-West & East regions.
• Rejected the idea of a single all-India federation.

Last verified on 06-05-2026

Explanation

For any angle θ:  

sin²θ + cos²θ = 1

Last verified on 09-05-2026

Explanation

Given sinθ = 3/5, 1st quadrant

Use identity: sin²θ + cos²θ = 1

(3/5)² + cos²θ = 1  

9/25 + cos²θ = 1  

cos²θ = 1 - 9/25 = 16/25  

cosθ = ±4/5

In 1st quadrant both sin and cos are positive.  

So cosθ = 4/5.

Last verified on 04-05-2026

Explanation

• Stack is used for recursion.
• Because it stores function calls in LIFO order during execution.
• Recursion works by repeatedly calling the same function.
• Each call is stored in memory until it completes execution.

Last verified on 08-06-2026

Explanation

• Pakistan is located at a key crossroads of Asia.
• It connects South Asia, Central Asia, and the Middle East.
• This strategic location increases its political and economic importance.
• It also plays a key role in trade and regional connectivity.
• Major routes and projects pass through Pakistan.

Last verified on 25-05-2026

Explanation

• An electric generator is a device that converts mechanical energy into usable electrical energy.
• This process is based on the principle of electromagnetic induction.
• Discovered in 1831 by British scientist Michael Faraday.

Last verified on 27-04-2026

Explanation

• Silica (SiO₂) is the main component of glass.
• It providing its transparency and hardness.
• It forms a network structure when melted, giving glass its solid yet brittle nature.

Last verified on 07-06-2026

Explanation

• “At the eleventh hour” means at the very last moment.
• It refers to doing something just before it is too late.
• Example: He submitted the form at the eleventh hour.

Last verified on 14-05-2026