Explanation

• A lactometer is used to measure the purity and density (thickness) of milk.
• It checks if milk has been adulterated with water by measuring specific gravity.
• Works on the principle of buoyancy.
• Pure milk specific gravity: 1.028–1.032 at 15°C

Last verified on 16-03-2026

Explanation

• “At sixes and sevens” means being confused, disorganized, or in a state of uncertainty.
• It describes a situation where things are not properly arranged.
• Example: After the sudden announcement, everyone was at sixes and sevens.

Last verified on 18-05-2026

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

Explanation

• Ushr is a 10% tax on harvests from irrigated or rain-watered land.
• 5% on harvests from land dependent on well water.

Last verified on 16-05-2026

Explanation

• The Lahore Resolution was passed on 23 March 1940 at Minto Park, Lahore.
• Presented by A. K. Fazlul Huq
• Prepared text by Muhammad Zafarullah Khan
• It demanded separate states for Muslims of the subcontinent.
• It is also called the Pakistan Resolution.

Additional information:

Key Participants (by region)

1. Punjab → Zafar Ali Khan
2. Sindh → Sir Abdullah Haroon
3. Bengal → A.K. Fazlul Huq
4. KPK → Sardar Aurangzeb Khan
5. United Provinces → Khalid Zaman

Last verified 04-05-2026

Explanation

• To have one's hands full is to be completely occupied or have a difficult task.
• کسی کا ہاتھ بھرا ہونا مکمل طور پر قابض ہونا یا مشکل کام ہے۔
• It means being fully engaged or busy with work or responsibilities, leaving no time for additional tasks.

Last verified on 12-05-2026

Explanation

• Pakistan and China signed an agreement for the ML-1 railway track in 28 April 2019.
• The agreement aims to upgrade and reconstruct the existing Karachi-Lahore-Peshawar (ML-1) railway track.
• This project is part of the CPEC.

Last verified on 11-05-2026

Explanation

• The Sahara Desert is the largest hot desert in the world.
• Location: Africa
• Length: Approximately 4,800 km (3,000 miles)
• Area: About 9.2 million km²

List of top deserts in the world:

Last verified on 10-05-2026

Explanation

 آج مرے کل دوسرا دن۔

معانی: زندگی ناقابلِ اعتبار اور عارضی ہے، انسان کی موت کے بعد لوگ اسے جلد بھول جاتے ہیں اور معمولات زندگی چلتے رہتے ہیں۔