Explanation

Given matrix A = [1 0, 0 1]:

This is a Unit matrix or Identity matrix, where all elements on the main diagonal are 1, and the rest are 0.

Explanation

• ECG (Electrocardiogram) is a test used to measure the electrical activity of the heart.

It is commonly used for the diagnosis of heart-related ailments, such as:

• Arrhythmias (irregular heart rhythms)
• Coronary artery disease
• Cardiac arrests
• Heart failure

Explanation

According to Article 51 (1) and 3(a) of the Constitution of the Islamic Republic of Pakistan

Article 51. (1) There shall be [three hundred and thirty-six] seats for members in the National Assembly, including seats reserved for women and non-Muslims.

Explanation

If mango juice is 20%, then apple juice is 80% (since 100% – 20% = 80%).

The ratio of mango to apple juice is 20:80, which simplifies to 1:4.

Explanation

• The official currency of Malaysia is the Malaysian ringgit
• Date of introduction 12 June 1967
• Symbol RM

Additional information 

• Capital: Kuala Lumpur
• Official Language: Malay (Bahasa Malaysia)
• Continent: Asia
• Major Religion: Islam
• Parliament: Parliament of Malaysia (Parlimen Malaysia)
• Parliamentary System: Bicameral (Dewan Rakyat and Dewan Negara)
• Independence: 31 August 1957

Last updated on 26 OCT 2026

Explanation

In the modern periodic table, there are 7 periods (horizontal rows) and 18 groups (vertical columns).

Explanation

John Dalton proposed the Atomic Theory in the early 1800s, stating that all elements are made of indivisible atoms.

He described atoms as indestructible and identical for each element, laying the foundation of modern chemistry.

Explanation

• When blue litmus paper is dipped in an acid, it turns red.
• This is because the acid changes the color of the litmus paper from blue to red.

Note: When red litmus paper is dipped in a base, it turns blue.

Explanation

Explanation