Explanation

Corrected narration:
"He said that if he worked hard, he would pass the exam."

In indirect speech, we change the present tense to the past tense. "Will" becomes "would," and "I" becomes "he."

Explanation

"One should do one’s duty."
 The sentence is correct as it is. "Duty" refers to a responsibility or task, and the sentence is an imperative general statement.

Explanation

The idiom means to prevent poverty or hunger.

Explanation

A miser avoids spending, and a reserved person avoids speaking.

Explanation

"Please could you tell me where the bus station is?"

"برائے مہربانی، کیا آپ مجھے بتا سکتے ہیں کہ بس اسٹیشن کہاں ہے؟"

"Is the bus station"  (Incorrect word order in an indirect question)

"The bus station was"  (Past tense is unnecessary)

"Is the bus station located"  (Unnatural phrasing in spoken English)

Explanation

ملحوز خاطر رکھنا translates to taking something into account.

Explanation

قرض انسان کو غم اور پریشانی میں مبتلا کرتا ہے

Explanation

Vogue: فیشن or رواج

Trend: رُجحان or مائل ہونا

Explanation

Dissolution refers to the process of disintegration or termination.

The antonym, formation, refers to the act of creating or establishing something.

Explanation

Benefit means advantage or profit. Aid means Help