Explanation

The inverted commas part shows "perfect infinitive tense."

It is used to express an action that was completed before another action, in this case, "to have acted properly."

Explanation

Sum of m numbers = mn^2

Sum of n numbers = nm^2

∴ Average of (m + n) numbers

= mn(m+n)/(m+n)

= mn

Explanation

The correctly spelled word is "Embarrassment."

Embracement means گلے لگانا

Explanation

Let's break this down logically:

(i) A toothpaste is useful.

(ii) Useful things are valuable.

From (i), we know that a toothpaste is useful. And from (ii), we know that useful things are valuable.

Therefore, since toothpaste is useful (from i), and useful things are valuable (from ii), we can conclude that toothpaste is valuable.

Thus, statement (iii) "A toothpaste is valuable" follows logically from (i) and (ii).

The correct answer is:

(a) True

Explanation

"A noise woke me up in the middle of the night."

This is the standard and grammatically correct sentence. "In the middle of the night" is the proper phrase to refer to a period during the night.

Explanation

Engulf means  گھیر لینا

Submerge means  غرق ہونا

Explanation

In this sentence, the correct option is "to celebrate."

The phrase "planned to celebrate" indicates that Shugufta and Azhar have made plans to mark their success by getting married.

Explanation

The relationship between "mend" and "sewing" is that "mend" refers to the action performed through sewing.

Similarly, "edit" refers to the action performed on a "manuscript."

In both cases, the first word describes an action related to the second word.

Explanation

The result of the expression $4^3 - frac{4^2}{2^2}$ is 60. ​

Explanation

• Informal education is education acquired without any specific purpose, fixed period, or place.
• It occurs through everyday experiences and interactions, rather than structured and organized settings.