Explanation

He is good at playing the piano.

وہ پیانو بجانے میں اچھا ہے۔

The correct preposition after "good" when referring to a skill or activity is "at."

Example: She is good at singing.

Explanation

Explanation

Light year refers to speed of light expressed in miles per year

(it is about ten trillion kilometers or six trillion miles).

Light year is a unit of distance.

Light Year: the distance that light can travel in one year. 

The distance light travels in one year is known as the light year.

Explanation

English mathematician and inventor Charles Babbage is often called the father of computers.

Because he introduced the basic ideas that nearly all modern computers rely on.

Babbage started designing an analytical engine in 1830, which could be programmed to perform calculations using punched cards. 

Explanation

Explanation

In 2022, The legendary Hollywood star Anna May Wong became the first Asian American to appear on US currency.  

Her image has been imprinted on quarter dollars.

 Anna May Wong was the first Chinese-American hollywood star, died in 1961.

Explanation

Muhammad bin Qasim, a young Arab general, conquered Sindh (present-day Pakistan) in 712 CE during the Umayyad Caliphate (661-750 CE).

• The Governor General of India during the conquest of Sindh: Lord Ellenborough.
• Lord Ellenborough: He was the Governor General of India from 1842 to 1844 and oversaw the conquest of Sindh in 1843.
• Conquest of Sindh: Sindh was conquered by Charles Napier, who was the first Chief Commissioner and Governor of Sindh in 1947.

Explanation

Explanation

Explanation

• Punjab government on 16 December 2023 conducted first-ever successful experiment of artificial rain in Lahore.
• Collaboration: United Arab Emirates (UAE).
• Date of artificial rain: 16 December 2023 
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