Explanation

France signed an armistice with Nazi Germany on 22 June 1940 after the German invasion during World War II.

This agreement led to the German occupation of northern France and the establishment of the Vichy government in the south.

Explanation

Let's denote the unknown number as x.

Given that 3/4 of 28 is equal to 21/5 of x:

(3/4) * 28 = (21/5) * x

First, calculate 3/4 of 28:

(3/4) * 28 = 21

Now, equate this to 21/5 of x:

21 = (21/5) * x

Multiply both sides by 5:

105 = 21x

Divide both sides by 21:

x = 105 / 21

x = 5

Explanation

SpaceX uses giant "chopstick arms" on its launch tower to catch the Super Heavy booster during landing.

This system is part of its Starship program to make rocket recovery more efficient and reusable.

Explanation

A microphone captures sound waves and converts them into audio signals.

It is the primary device used for voice recording on computers and other digital systems.

Explanation

Uranium is the most commonly used fuel in nuclear reactors due to its ability to undergo fission.

During fission, uranium atoms split to release a large amount of energy used for electricity generation.

Explanation

Sindh becomes the first province to restore student unions after 38 years on 11 February 2022

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Student unions had been banned across the country in 1984.

In an era of military dictator General Ziaul Haq.

The bill was presented by Sindh Minister for Parliamentary Affairs Mukesh Kumar Chawla.

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The first student union in the United States was organized in 1832 at Harvard University.

In 1984, student unions were banned by the Ziaul Haq dictatorship.

Explanation

 Convection is the transfer of heat through the movement of a fluid, meaning it occurs in liquids and gases. 

Liquids: In liquids, warmer, less dense molecules rise, carrying heat with them. 

Gases: Similarly, in gases, hot molecules move more readily, transferring heat through the space

Explanation

Kamala Harris ran as the Democratic nominee in the 2024 U.S. Presidential Election.

Donald Trump won his second non-consecutive term by defeating her.

Explanation

Given proportion:

4 : 3 = 8 : p

First, let's find the relationship between 4 and 8:

8 = 2 * 4

Now, apply the same relationship to 3:

p = 2 * 3

p = 6

Explanation

 He has eaten the pizza which he bought last night

 Correct. The sentence uses correct tense and article usage:

"has eaten" (present perfect) – recent action,

"which he bought last night" – past simple for a specific past time ("last night")