Explanation

In direct proportion, both quantities increase or decrease together at the same rate.

In inverse proportion, when one quantity increases, the other decreases in the same ratio.

Explanation

Explanation

Distraction means خلفشار

Explanation

"At" is used for specific places.

Here, "at their home" is the correct preposition.

Explanation

Given:

(x + 5) : (x + 7) = 5 : 7

We can write it as:

(x + 5) / (x + 7) = 5/7

Cross-multiplying:

7(x + 5) = 5(x + 7)

7x + 35 = 5x + 35

7x - 5x = 35 - 35

2x = 0

x = 0

Explanation

Combined rate = 1/6; first pipe rate = 1/10.

Second pipe rate = 1/6 - 1/10 = 1/15.

So, the second pipe alone fills in 15 hours.

Explanation

Total parts = 2 + 3 + 5 = 10

Salma's share = (2/10) × 2000 = 400.

Explanation

Total pages = 10 + 12 + 8 + 10 = 40.

Average = 40 ÷ 4 = 10 pages per day.

Explanation

"Under" is used to show position below something.

Here, the old man is positioned below the tree, so "under" fits correctly.

Explanation

Below is used to indicate a lower position than sea level.

Example: The lake is 900 feet below sea level.