Explanation

The given statement:

If a : b = c : d then a : c = b : d

This is known as the Alternendo theorem.

The Alternendo theorem states that if a/b = c/d, then a/c = b/d.

Explanation

"She" is a pronoun replacing a person’s name.

It acts as the subject of the sentence.

Explanation

A bisector of an angle divides the angle into two equal parts.

It is a line or ray that starts from the angle's vertex and splits it evenly.

Explanation

The square of a means multiplying a by itself, which is written as a².

It represents the value a × a.

Explanation

Thousands means ہزاروں

Explanation

In the client/server model, one computer (server) provides services or resources to another (client).

This is a common architecture in networks and distributed systems.

Explanation

The Recycle Bin temporarily stores deleted files so users can restore them if needed.

It acts as a safety net before permanent deletion.

Explanation

De Morgan's first law states that the complement of the union of two sets A and B is equal to the intersection of their complements.

The correct representation is:

(AUB)' = A' ∩ B'

Explanation

The correct female form of "landlord" is "landlady", not "landlordess."

Landlady means زمیندارنی

Explanation

In DBMS, repetition of data is called redundancy.

Redundancy leads to wastage of space and potential data inconsistency.