Explanation

The Pious Caliphs were the first four Caliphs.

They were:  Abu Bakr  Umar  Uthman  Ali

Explanation

The Hazara University is a public university located in Mansehra, Khyber Pakhtunkhwa, Pakistan.

Explanation

Gulab Devi Chest Hospital is a 1,500 bed semi-private tertiary care chest hospital located in Ferozepur Road, Lahore, Punjab, Pakistan.

The hospital was established in 1934 by Indian freedom fighter Lala Lajpat Rai in the memory of his mother, Gulab Devi, who died due to tuberculosis in 1927.

Explanation

The first Battle of Panipat, on 20 April 1526.

It took place in North India and marked the beginning of the Mughal Empire and the end of the Delhi Sultanate. 

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RY 4-12-2022

Explanation

The Little Boy type of bomb, which was dropped on the Japanese city of Hiroshima on 6 August 1945 during World War II.

The Fat Man, was dropped on Nagasaki, Japan, August 9, 1945, at 11:01 AM.

• Hiroshima deaths: around 40000 
• Nagasaki deaths: around 80000

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Explanation

Omer-Khayam was born in Iran in 1048 AD.

Omer-Khayam was a poet, Mathematician & Astronomer. 

Omer-Khayam introduced the modern Solar Hijri calendar, the Jalali calendar.

Place of burial: Tomb of Omar Khayyam, Iran

Main interests:

Mathematics (medieval Islamic); astronomy; Persian philosophy; Persian poetry

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RY 4-12-2022

Explanation

The International Monetary Fund (IMF) works to achieve sustainable growth and prosperity for all of its 190 member countries.

It does so by supporting economic policies that promote financial stability and monetary cooperation, which are essential to increase productivity, job creation, and economic well-being.

Explanation

The Kirthar Mountains are a mountain range that mark the boundary between the Pakistani provinces of Balochistan and Sindh.

which comprise much of the Kirthar National Park. 

Elevation: 2,895 m

Country: Pakistan

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RY4-12-2022

Explanation

Born: November 9, 1877, Sialkot

Died: April 21, 1938, Lahore

Place of burial: Tomb of Allama Iqbal, Lahore

Explanation

The subject of the sentence is "spectacles", which is a plural noun.

The verb "are" is the correct form to use with a plural subject. "Spectacles" refers to two glasses, one for each eye, so it's a plural noun.