Explanation

Decibel (dB) is the unit used to measure sound intensity.

Which is related to the amplitude of a sound wave.

The amplitude of a sound wave determines the loudness of the sound

One decibel (0.1 bel) equals 10 times the common logarithm of the power ratio.

Explanation

Explanation

 Akhtar Nawaz Satti is the current chairman of the Federal Public Service Commission (FPSC)The

Appointed in September 2024.

Before him, Shahid Ashraf Tarar will remain till 4 March 2024.

Question update 23 April 2025

Explanation

Lord Canning was the last Governor-General of East India Company.

He became the first Viceroy of India under Crown rule after the Queen Victoria's proclamation (also called Magna Carta of India) in 1858, following the Indian Rebellion of 1857.

Explanation

The United Nations General Assembly declared May 3 to be World Press Freedom Day

Observed by: UNESCO

while

Labor Day: May 1

Environment Day: June 5th

Earth Day: April 22

AGM 23.02.2023

Explanation

"Wise people do not spend their money foolishly."

• "Wise" is an adjective describing people.

• We use adjectives before nouns (e.g., wise people).

• "Wisely" is an adverb, and "wisdom" is a noun — both do not fit here.

Explanation

Astore District is a district of Pakistan-administered Gilgit-Baltistan in the disputed Kashmir region.

It is one of the 14 districts of the Pakistani-administered territory of Gilgit−Baltistan.

Its administrative headquarters are located at Eidgah in the Astore Valley.

Explanation

Priestly discover oxygen in 1776.

Oxygen makes up about 46-50% of the Earth's crust by weight, mainly in the form of oxides and silicates.

It is also a major component of water (H₂O).

It is abundant in the atmosphere as O₂.

Explanation

The CP of the gun = Rs. 2500

The SP of the gun = Rs. 900

The loss is = CP - SP = Rs. ( 2500 - 900 )

= Rs. 1600

Hence, the loss incurred by Akbar is 64%.

Explanation

• The common ostrich (Struthio camelus) is the biggest bird in the world.
• It is weighing up to 344 pounds (157 kilograms) and standing 9 feet tall.
• Female ostriches lay the largest eggs of any living bird.