Explanation

White on top and black on inside umbrellas are the best in terms of UV protection,

Because they absorb the heat on those hot sunny days

Black is a dark color it absorbs all the heat radiation from the sun  

Whereas 

White is a light color they reflects most of the heat and keeps us cool

Explanation

Fax machines provide a convenient way to instantly transmit handwritten messages over long distances

• They scan the handwritten message and convert it into electronic signals.

• The electronic signals are transmitted via phone lines to the recipient's fax machine.

• The recipient's fax machine receives the signals, interprets them, and prints out a copy of the handwritten message.

Explanation

عودہندی شاعر  اسد اللہ خان غالب کی تخلیق ہے

عودہندی پہلی مرتبہ مرزا کے اردو خطوط کا یہ مجموعہ 1868 میں چھپا

Explanation

In the medical field, computers are used in various areas to enhance:

• patient care,
• research, 
• operational efficiency.

Explanation

The F1 through F12 FUNCTION keys have special alternate commands.

These keys are called enhanced function keys.

Additional information:

The function keys are used to perform specific tasks.

They are labeled as:

• F1,
• F2,
• F3,
• and so on, up to F12.
  

Explanation

The Great Pyramid, the largest of the three main pyramids at Giza

It was built by Khufu.

It rises to a height of 146 meters (481 feet).

It is the oldest of the seven wonders of the world

It was also known as the Pyramid of Khufu. 

Additional information:

The seven wonders of the world are:

1. Great Wall of China 
2. Petra Maan, Jodan.
3. Colosseum Rome Italy
4. Chichen Itza Yucatan, Mexico
5. Machu Picchu Cuzco Region, Peru.
6. Taj Mahal Agra, Uttar Pradesh India
7. Christ the Redeemer Rio de Janeiro, Brazil.

Explanation

The first man to land on the moon was Neil Armstrong

He took the first step to the lunar surface on 20 July 1969

He went to the lunar surface in called Apollo 11.

Additional information:

Buzz Aldrin became the second person to land on the moon 

Yurl Gagarin was the first person to go to space in the world.

Rakesh Sharma was the first Indian to go into space.

Explanation

Jadhav was arrested in Pakistan's restive province of Balochistan (near the Pak-Afghan border of Chaman)

He was arrested on 3 March 2016

His death sentence was suspended by the International Court of Justice

Explanation

Begin with the conversion from square feet to square inches:

1 square foot = 144 square inches 

The conversion factor from meters to feet is:

1 meter = 3.28084 feet 

Therefore, one meter is approximately equal to 3.28084 feet.

Explanation

Khalil Ullah is the title of Hazrat Ibrahim (A.S)

 ' خليل الله'  which means 'the friend of Allah'

Hazrat Ibrahim (A.S) was born Iraq

Hazrat Ibrahim is buried in Jerusalem, Israel. 

Abraham had two children,

1.      Isaac

2.      Ismael

Hazrat Ibrahim's (AH) name is mentioned in the Holy Quran 67 times.