Explanation

"Angry with" is the correct preposition when referring to a person.

"Angry at" is used for situations or things.

Explanation

Given that A+B = 12 + B + C

=> A – C = 12 + B – B = 12

C is younger than A by 12 years.

Explanation

Here ignorance means درگزر

Ignoring minor inappropriate behavior is often an effective strategy to reduce it, as it deprives the behavior of attention, which can discourage repetition.

Praise and reward are better used to reinforce positive behavior.

Strictness may be counterproductive for minor issues.

Explanation

The given sentence is in active voice (past continuous tense): She was motivating her friends.

In passive voice, the object (her friends) becomes the subject: Her friends were being motivated by her.

Explanation

The International Olympic Committee (IOC) awards the Olympic Games to a specific city.

The host city is responsible for organizing and managing the event with national support.

Explanation

According to Coulomb's Law, the force between two charges is inversely proportional to the square of the distance between them.

If the distance is halved, the force becomes four times stronger.

Explanation

Explanation

The peon respectfully asked if he could help him.

"May I" in direct speech changes to "if he could" in indirect speech.

The word "respectfully" is added to reflect the polite tone of the original sentence.

Explanation

Freestyle swimming (front crawl) is the fastest swimming technique due to its continuous arm movement and efficient kicking.

It is commonly used in competitive swimming for speed and efficiency.

Explanation

In isometric contraction, muscle length remains the same while tension increases.

No visible movement occurs, as seen in activities like holding a plank or pushing against a wall.