Explanation

The ratio of boys to girls is given as 3:4, and the total number of students in the class is 28.

Step 1: Add the parts of the ratio

Step 2: Calculate the value of one part

Each part of the ratio represents:

Step 3: Find the number of boys

The boys' share is 3 parts, so:

Explanation

The phrase "Castles in the air" refers to fanciful schemes or unrealistic plans that are unlikely to be achieved.

It is often used to describe dreams or ideas that are imaginative but not grounded in reality.

Explanation

Explanation

The Pyrometer is used for measuring very high temperatures.

Pyrometers can measure temperatures without direct contact.

This making them ideal for extreme conditions.

Explanation

Massive Earthquake (زلزلہ)

Location: Turkiye/Syria

Magnitude: 7.8

Date: 6 February 2023

Casualties: over 50, 000

Explanation

• The speaker did not properly space out his speech, but went on stressing one point only.
• Stress (Verb): to emphasize a fact, an idea, etc.

Explanation

"Would" is used to describe past habitual actions, especially in narrative or storytelling.

"When she was in the university" sets the action clearly in the past, so "would" fits well.

When she was in the university, she would wake up early in the morning."

Explanation

Pythagoras is considered the founder of the basic laws of geometry.

His work, particularly the Pythagorean theorem.

This laid foundational principles for the study of geometry.

Explanation

To find how many more men are needed, we can use the formula for work:

$$text{Work} = text{Men} times text{Days}$$

Initially, 120 men can complete the work in 90 days. The total work can be represented as:

$$120 times 90 = 10800 text{ man-days}$$

Now, we need to find how many men are needed to complete the work in 40 days:

$$text{Required Men} = frac{10800}{40} = 270 text{ men}$$

Explanation