Explanation

Giving salaries to scholars and teachers was started during the time of Caliph Umar (RA).

Hazrat Umar ibn al-Khattab was the second caliph of Islam.

He was ruled for 10 years from 634 CE to 644 CE.

He succeeded Hazrat Abu Bakr.

He was instrumental in expanding the Islamic state.

Explanation

"About" is a preposition, and in this sentence, it introduces the object of the preposition, "the adventure."

Explanation

Improvidence بہتری

Explanation

The correct sentence is: "Let the mouse be killed." 

This is the correct passive voice form of the imperative sentence "Kill the mouse."

In passive voice, the structure is: "Let + object + be + past participle (killed)."

Explanation

The book "Rajatarangini" (often transliterated as "Raj Tringni") was written in Sanskrit.

The "Rajatarangini" was written by the Kashmiri historian Kalhana around 1148-1150 CE.

It is a historical chronicle of the kings of Kashmir.

Explanation

"نظام المشائخ" رسالہ خواجہ حسن نظامی نے 1902 میں جاری کیا تھا۔

یہ رسالہ مسلمانوں کی ثقافت اور تعلیم پر مرکوز تھا

اور اس کا مقصد مسلمانوں کی فکری بیداری کو فروغ دینا تھا۔

Explanation

"Deals in" is the correct phrase used when someone is engaged in a trade or business.

Explanation

The correct narration for "He said 'God rules and governs all things'" is:  He said that God rules and governs all things.

The original sentence is in the present tense ("rules" and "governs"),

and in indirect speech (narration)

the present tense can be retained if the reporting verb ("said") is in the past tense.

Explanation

Jean Piaget was born in Neuchatel, Switzerland.

He was born on August 9, 1896,

He passed away on September 16, 1980.

Explanation

Mir Syed Ali Hamdani, also known as Shah-e-Hamadan,

He is credited with spreading Islam in Kashmir through his teachings and influence in the 14th century.