Explanation

• Silicon Valley is widely recognized as a major global center of innovation and technology.
• It is located in California, USA.
• It is mainly in the southern San Francisco Bay Area.
• It is home to many major technology companies and startups.
• The region is particularly known for technology, software, entrepreneurship, and innovation.

Last verified on 08-10-2026

Explanation

• Comets are small celestial bodies mainly composed of ice, dust, and rocky material.
• They travel around the Sun in highly elliptical or elongated orbits.
• Halley’s Comet, which returns approximately every 76 years.

Additional information:

• Asteroids: Mainly rocky or metallic bodies.
• Meteoroids: Small pieces of rock or metal moving through space.

Last verified on 05-10-2026

Explanation

• The One Unit scheme was dissolved on 1 July 1970 under General Yahya Khan.
• The Legal Framework Order (LFO) 1970 ended the One Unit system and restored the provinces of West Pakistan.

Additional information:

• The scheme was presented by Prime Minister Muhammad Ali Bogra in 1954.
• The One Unit scheme was introduced to merge the provinces and areas of West Pakistan into one province.
• It was approved on 30 September 1955 and came into effect on 14 October 1955.

The four major provinces merged into West Pakistan were:

1. West Punjab
2. Sindh
3. NWFP (now Khyber Pakhtunkhwa)
4. Balochistan

Last verified on 08-10-2026

Explanation

• Flight of stairs means a series of steps between two floors or landings.
• Example: We climbed a flight of stairs to reach the upper story.

Last verified on 09-10-2026

Explanation

• World Braille Day is observed on 4 January every year.
• The first World Braille Day was celebrated on 4 January 2019.
• The day recognizes the contribution of Louis Braille in helping blind and visually impaired people read and write.

Last verified on 08-10-2026

Explanation

• Rear view mirrors in vehicles are convex mirrors.
• They give a wider field of view.
• Images formed are virtual, upright, and smaller.
• This helps drivers see more traffic behind them.
• It is a curved mirror that bulges outward.
• It is commonly used in side mirrors of cars, buses, and motorcycles.

Last verified 26-04-2026

Explanation

Andy Burnham is the current & 59th prime minister of the United Kingdom (UK) since July 2026

Party affiliation: Labour Party

Predecessor: Keir Starmer

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Last verified on 24-07-2026

Explanation

• The King of Iran, Khosrow II (Khusro Pervaiz), tore up the letter sent by Prophet Muhammad ﷺ.
• Hazrat Abdullah ibn Hudhafah (RA) delivered the Prophet’s ﷺ message to the Persian king.
• The letter was sent to Khosrow II, inviting him to Islam.
• Khosrow II reportedly objected to the Prophet’s ﷺ name being written before his own and tore the letter.

Last verified on 08-10-2026

Explanation

• Momin Khan Momin died on 14 May 1852 in Delhi.
• He was a prominent Urdu poet of the 19th century.
• He was born in 1800 in Delhi.
• He was known especially for his ghazals.

Last verified on 08-10-2026

Explanation

Let the present age of the son = x years.

Present age of the father = 45 − x years.

5 years ago:

Father's age = 40 − x

Son's age = x − 5

According to the question:

40 − x = 6(x − 5)

40 − x = 6x − 30

70 = 7x

x = 10

Son's present age = 10 years.

Father's present age = 45 − 10 = 35 years.

Last verified on 08-10-2026