Explanation

• A firewall’s main function is to prevent or block unauthorized access to a computer network.
• It acts as a security barrier between trusted and untrusted networks (like the internet).
• It filters incoming and outgoing network traffic based on security rules.
• It helps protect systems from hackers and unwanted access attempts.

Last verified on 10-06-2026

Explanation

• Pakistan conducted its first nuclear test at the Ras Koh Hills in the Chagai Hills, Balochistan, on 28 May 1998.
• 5 Nuclear tests were conducted by Pakistan at 15:15 hrs PST on 28 May 1998.
• Chagai-I was Pakistan's first public test of nuclear weapons.

Additional information:

• Chagai-II is the codename assigned to the second atomic test conducted by Pakistan, carried out on 30 May 1998.
• These tests followed the Chagai-I series.
• The test site was Kharan Desert, Pakistan.
• The number of tests is 1.

Last verified on 30-03-2026

Explanation

• Total electors: 538
• Majority required: 270

Composition:

• House of Representatives: 435
• Senate: 100
• Washington D.C.: 3 electors

Country: United States of America

Last verified on 21-06-2026

Explanation

• The Indus Waters Treaty was signed on September 19, 1960, in Karachi.
• It was signed between Pakistan (President Ayub Khan) and India (Prime Minister Jawaharlal Nehru).
• It was brokered by the World Bank.

It became effective on April 1, 1960.

• Western Rivers (given to Pakistan): Indus, Jhelum, Chenab
• Eastern Rivers (given to India): Ravi, Beas, Sutlej

Last verified on 30-03-2026

Explanation

• Year of Hijrah: 622 CE
• From: Makkah
• To: Madinah
• Reason: Persecution of Muslims by Quraysh
• Islamic Calendar Started: 1 AH (Anno Hegirae)

Additional information:

• Prophet Muhammad stayed in the Cave of Thawr during the migration journey.
• Hazrat Abu Bakr (RA) accompanied the Prophet ﷺ during Hijrah.

Last verified on 10-05-2026

Explanation

• Title: Kaleemullah (One who spoke to Allah)
• Prophet: Hazrat Musa (A.S)
• Holy Book: Tawrat
• Place of Revelation: Mount Sinai (Toor)
• Nation: Bani Israel

Last verified on 17-05-2026

Explanation

• Correct sentence: She has a car.
• With he, she, and it, we use has, not have.
• Has is the correct present tense form of have for a singular third-person subject.

Last verified on 02-06-2026

Explanation

• The jury has reached its verdict.
• Jury is a collective noun treated as singular here.
• Use has with a singular collective noun.
• Its agrees with the singular noun jury.

Last verified on 07-07-2026

Explanation

• The sentence "She wrote a letter" is in past simple tense.
• The passive voice of a past simple sentence is formed as:
• Object + was/were + past participle + by + subject
• So, "A letter was written by her." is correct.

Last verified on 04-05-2026

Explanation

• Pakistan joined the United Nations on September 30, 1947.

Additional information:

• The name was coined by US President Franklin D. Roosevelt.
• Headquarters is located in New York, United States.
• Founded on October 24, 1945.
• It currently has 193 member states and 2 observer states.
• The official languages of the UN are Arabic, Chinese, English, French, Russian, and Spanish.

1. 1952-1953
2. 1968-1969
3. 1976-1977
4. 1983-1984
5. 1993-1994
6. 2003-2004
7. 2012-2013
8. 2025-2026

Last verified on 09-03-2026