Explanation

Selling price = Cost + 10% profit

220 = Cost + 0.10 × Cost

220 = 1.10 × Cost

Cost = 220 / 1.10

= 200

Last verified on 30-03-2026

Explanation

• “Rule of Thumb” refers to a general guideline based on practical experience, not a precise measurement.
• It is used when giving an approximate or rough estimate.

Last verified on 30-03-2026

Explanation

• Helvetia is the ancient Latin name for Switzerland.
• The name comes from the Helvetii, a Celtic tribe that lived in the region before Roman rule.
• Switzerland is a landlocked mountainous country in South-Central Europe.
• The name Helvetia is still used on Swiss coins and stamps.

Additional information:

• Capital: Bern
• Currency: Swiss Franc (CHF)
• Official Languages: German, French, Italian, Romansh
• Continent: Europe
• Government: Federal Republic

Last verified on 30-06-2026

Explanation

• The National Police Academy (NPA) is located in Islamabad, Pakistan.
• Established: 1978 (initial steps)
• Main Function: Training of police officers
• Trainees: Assistant Superintendents of Police (ASPs) of Police Service of Pakistan (PSP)

Last verified on 16-06-2026

Explanation

China Capital is Beijing.

China Currency is Chinese Yuan.

China official language is Mandarin.

China located is in Continent Asia.

China Primary Religion is N/A.

China Head of Govt. is President - Xi Jinping.

China Parliament called National People’s Assembly.

Tricks for Remember

Last verified on 16-06-2026

Explanation

Must read it:

The largest country in the world by area is?

Last verified on 25-06-2026

Explanation

• Lord Curzon was the Viceroy of India when the Partition of Bengal was announced in 1905.
• The decision divided Bengal into Eastern Bengal and Assam and Bengal Province.
• It faced strong opposition from the Indian National Congress and many Hindu groups.

Additional information:

• Partition announced: 20 July 1905
• Implemented: 16 October 1905
• Revoked: December 1911
• Announced by: King George V at Delhi Durbar

Last verified on 24-06-2026

Explanation

• Neptune is the farthest planet.
• It was visited by the spacecraft Voyager 2.
• It's is a very windy place.
• It has six rings.
• It has 14 moons.

Last verified on 24-06-2026

Explanation

• Office: 14 Aug 1947 – 11 Sep 1948
• Duration: ~1 year 28 days
• Monarch: George VI

• Office: 14 Sep 1948 – 17 Oct 1951
• Duration: ~3 years 33 days
• Monarch: George VI

• Office: 17 Oct 1951 – 7 Aug 1955
• Duration: ~3 years 294 days
• Monarch: George VI / Elizabeth II

• Office: 7 Aug 1955 – 23 Mar 1956
• Duration: ~299 days
• Monarch: Elizabeth II

Last verified on 23-06-2026

Explanation

• Sir Mian Abdul Rashid was the first Chief Justice of Pakistan.
• From June 27, 1949, to June 29, 1954
• Birth: 29 June 1889, Lahore
• Death: 6 November 1981, Islamabad (aged 92)
• Appointed By: Muhammad Ali Jinnah on August 15, 1947
• Awards: Knight Bachelor, Star of India, Hilal-e-Pakistan

Additional information:

• Longest-serving Chief Justice: Mohammad Haleem
• Shortest-serving Chief Justice: Muhammad Shahabuddin

Last verified on 14-06-2026