Explanation

Bauxite is the most important ore of aluminum which contains only 30–54% alumina.

The rest is a mixture of silica, various iron oxides,

and titanium dioxide along with trace amounts of zinc, phosphorous, nickel, vanadium etc.

Explanation

F5 – Allows you to refresh or reload the page or document window.

F6 – Moves the cursor to the address bar in most Internet browsers.

F7 – Used to spell check and grammar check a document in Microsoft Apps (e.g. Word).

F8 – Used to access the boot menu in Windows when turning on the computer.

Explanation

Explanation

The students in our school are smarter than those in other schools.

Smarter than those means ان سے زیادہ ہوشیار

This comparison is complete with the word "those" indicating the other schools' students.

Explanation

I enjoy playing tennis.

میں ٹینس کھیل کر لطف اندوز ہوتا ہوں۔

The verb "enjoy" is followed by a gerund (verb + ing).

So "playing" is correct.

Explanation

Electric power: Rate of energy transfer.

It is measured in watts (W), or one joule per second.

Energy/Work: Measured in joules (J).

Charge: Measured in coulombs (C).

Pressure: Measured in pascals (Pa).

Electric current: Measured in amperes (A).

Electric resistance: Measured in ohms (Ω).

Temperature: Measured in kelvin (K).

Torque: Measured in newton metres (N m).

Velocity: Measured in meters per second (m/s).

Acceleration: Measured in meters per second squared (m/s²).

Explanation

F2 function key is used to edit the content of a cell in MS-Excel.

Explanation

Justice Sardar Muhammad Sarfraz Dogar is the acting chief justice of the Islamabad High Court (IHC).

Appointed on 01 July 2025

He was appointed acting chief justice of IHC by the president of Pakistan.

Explanation

Avast and NAV are anti-virus software.

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Symantec's Norton Group launched Norton AntiVirus 1.0 (NAV) for PC and compatible computers.

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Avast's free antivirus software detects and blocks all types of malware in real-time to prevent them from infecting your computer.

Kaspersky, Norton, and Avast are anti-virus software.

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Linux is an operating system not an anti-virus

anti virus 

Oracle is not an anti-virus software.

Explanation