Explanation

The correct preposition after "justified" when followed by a gerund (verb+ing) is "in."

You are justified in claiming for your rights.

آپ اپنے حقوق کا دعویٰ کرنے کے لیے جائز ہیں۔

Explanation

Inquire into is the phrasal verb which means to investigate.

Inquire into the matter means معاملے کی تحقیقات کرنا

Explanation

Go Over is a phrasal verb. 

Go over means to inspect.

Go over means معائنہ کرنا

Explanation

With: کے ساتھ

For: کیلئے

Explanation

The suitable preposition that fits grammatically in the blank is 'to'.

Hence, the sentence becomes: Do you know the solution to this problem?

Preposition of location: Example: at Jaya's house.

Explanation

Usage of Upon

We use upon for more formal term compared to “on”/ used in phrases and idioms/ to denote them.

He set the tray upon the table.

Explanation

She died of cancer.

وہ کینسر سے مر گئی۔

"Of" is used to indicate the cause of death in such contexts.

Explanation

We generally use to after listen.

To is a preposition here.

You should listen to my advice آپ کو میری نصیحت سننی چائئے

Explanation

On the wall means دیوار پر

On shows surface of something

On is a preposition here

There is a clock on the wall دیوار پر ایک گھڑیال ہے

Explanation

On is often used to describe a surface.

On is a preposition here.

My journal is on the desk میرا جرنل ڈیسک پر ہے