Explanation

Mercury is the only metal that is liquid at room temperature, unlike the others (Copper, Brass, Aluminum, Silver, Titanium, Platinum) which are solid.

It remains in liquid form due to its low melting point of about -38.83°C.

Explanation

شاہ ولی اللّٰہ کا اصل نام قطب الدین احمد ہے۔

شاہ ولی اللہؒ نے سب سے پہلے قرآن مجید کا فارسی میں ترجمہ کیا تاکہ عام لوگ اسے سمجھ سکیں۔

بعد میں ان کے بیٹوں نے اس ترجمے کی بنیاد پر اردو میں بھی ترجمہ کیا۔

Explanation

On 7 October 1958 Martial law was declared by Ayub Khan.

He removed Iskander Mirza and took over the office as president of Pakistan.

Additional information

History:

President Ayub Khan resigned from office on March 25, 1969.

Ayub Khan was the commander-in-chief of the Pakistan Army.

And became the president of Pakistan after President Iskandar Ali Mirza in 1958.

He was the second president of Pakistan, serving from 1958 to 1969.

He was succeeded by General Yahya Khan.

Explanation

The Simon Commission was a result of the Government of India Act 1919, which proposed sending a commission every 10 years.

It was actually sent in 1927, two years earlier than scheduled.

Explanation

Prime Minister Muhammad Ali Bogra presented the Bogra Formula in 1953 to resolve differences between East and West Pakistan over constitutional representation, particularly in the national legislature.

It aimed to provide parity between the two wings of the country.

Explanation

An imperative sentence gives a command, request, or instruction.

"Please sit down" is a direct command, making it an imperative sentence.

Explanation

Given the proportion:

a³ - b³ : a² - b² :: a² + ab + b² : x

We know a³ - b³ = (a - b)(a² + ab + b²) and a² - b² = (a - b)(a + b)

So, the proportion becomes:

(a - b)(a² + ab + b²) : (a - b)(a + b) :: a² + ab + b² : x

Canceling (a - b):

(a² + ab + b²) : (a + b) :: a² + ab + b² : x

This implies x = a + b.

Explanation

Vitamin D helps the body absorb calcium from the intestines.

It regulates blood calcium levels by enhancing calcium absorption and reducing calcium loss from bones.

Explanation

An electroscope detects the presence and type of electric charge on a body.

It shows whether the charge is positive or negative by the movement of its leaves.

Explanation

• National Assembly (Lower House)
• Senate (Upper House)

• Headed by the President of Pakistan
• Actual executive powers are exercised by the Prime Minister and the Cabinet

• Independent branch with authority vested in the Supreme Court
• Ensures the interpretation and enforcement of the Constitution