Explanation

"Coolness" is associated with "Night" because nights are typically cooler.

Similarly, "Warmth" is associated with "Day" because days are usually warmer.

Explanation

Impart means فراہم کرنا

Convey means پہنچانا

Explanation

The corrected sentence is: "I am much obliged to him."

میں اس کا بہت پابند ہوں۔

This phrase means "I am very grateful".

It is a polite way to express thanks.

Explanation

"What would you like to drink, tea or coffee?"

آپ کیا پینا پسند کریں گے، چائے یا کافی؟

It is the proper way to ask someone for their preference between two options.

Explanation

"Her economic situation has got more worse since she gave up her job".

ملازمت چھوڑنے کے بعد سے اس کی معاشی حالت مزید خراب ہو گئی ہے۔

It indicates a greater degree of deterioration in her situation over time.

Explanation

"My house is much larger than yours".

میرا گھر تمہارے گھر سے بہت بڑا ہے۔

It correctly uses the possessive pronoun "yours" to compare the size of the house with another person's house.

Explanation

"We tried to tide over our difficulties".

ہم نے اپنی مشکلات پر قابو پانے کی کوشش کی۔

It means to manage or overcome challenges temporarily until they are resolved.

Explanation

The corrected sentence is: "Go about your business."

اپنے کاروبار کے بارے میں جائیں۔

This means to continue with your activities or tasks.

Explanation

I found out that I had mistaken the car.

مجھے پتہ چلا کہ میں نے گاڑی کو غلط کر دیا تھا۔

Here 'had' indicates past perfect tense. 

We generally use third form (mistaken) of verb in this tense.  

First form: Mistake

Second form: Mistook

Third form: Mistaken

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Explanation

"The lamp went out at once."

چراغ ایک دم بجھ گیا۔

It means the lamp extinguished or stopped producing light immediately.