Explanation

Water has a unique property where its density is highest at around 4°C, making it denser than ice (which is solid water)

And the other options like benzene and chloroform at most temperatures. 

Ice is less dense than water: This is why ice floats on water. 

Density definition: Density refers to how much mass is packed into a given volume

Explanation

To convert 810/500 so you can write it as a decimal,

simply divide the numerator by the denominator, like this:

= 810/500

= 810 ÷ 500

= 1.62

Explanation

 Pellagra:

Cause: Lack of niacin (vitamin B3)

Skin symptoms: Inflamed skin, especially in areas exposed to sunlight or friction

Other symptoms: Diarrhea, dementia 

Explanation

CV stands for curriculum vitae.

Curriculum: Means "course of study" in Latin.

Vitae: Means "life" in Latin. 

So, "Curriculum Vitae" literally translates to "course of life" in Latin. 

Explanation

The complete idiom is: "Too many cooks spoil the broth."

It means that when too many people are involved in a task, especially without coordination, it can lead to poor results.

Explanation

 UN ESCAP stands for: United Nations Economic and Social Commission for Asia and the Pacific

ESCAP formed: 28 March 1947

ESCAP HQ: Bangkok, Thailand

ESCAP has: 53 Member States (mostly from the Asia and Pacific regions)

Explanation

 Prime Minister Nawaz Sharif is due to arrive in Paris to represent Pakistan at the 21st UN Climate Change Conference (COP21)

They are being held in the French capital from November 30 to December 11

To reach a new global deal to tackle climate change by cutting greenhouse emissions.

Explanation

Abu Al-Qasim Firdausi was a Persian poet.

He was the court poet of Mahmud of Ghazni.

• "Shahnama" is an epic poem that was written in 1010 and contains about 60,000 couplets
• The author of "Shahnama" was Abu Al-Qasim Firdausi
• The epic poem is also known as the "Book of Kings"

Explanation

The theorem you mentioned is known as Pythagoras' Theorem, which states:

$$c^2 = a^2 + b^2$$

where:

• $c$ is the hypotenuse (the longest side of a right-angled triangle).
• $a$ and $b$ are the other two sides.

It was discovered by the ancient Greek mathematician Pythagoras and is fundamental in geometry.

Explanation

The Karakoram Pass is a 5,540 m or 18,176 ft mountain pass between India and China in the Karakoram Range.  'Karakoram' literally means 'Black Gravel' in Mongolic. 

Elevation: 5,540 m

Location: China–India border

Range: Karakoram