Explanation

15 ÷ 3 = 5

5 + 20 = 25

Explanation

15 ÷ 3 = 5

5 + 20 = 25

Explanation

Ratio of boys to girls = 2:3

Number of boys = 12

Let's find the multiplier:

2x = 12

x = 6

Now, find the number of girls:

3x = 3 * 6

= 18

Explanation

The book "Why Nations Fail: The Origins of Power, Prosperity, and Poverty" (2012) is authored by:

Daron Acemoglu (MIT economist)

James A. Robinson (political scientist)

Nations fail or succeed based on inclusive vs. extractive institutions, not culture, geography, or ignorance.

Explanation

Karachi Stock Exchange (now part of Pakistan Stock Exchange) was the largest and most active in the country.

It played a central role in Pakistan's capital market before merging into the unified Pakistan Stock Exchange (PSX) in 2016.

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

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