Problem | MCQs

Explanation

Active Voice: Who

Passive Voice: By whom

This is a sentence of Past Indefinite Tense.

Was and Were are the helping verbs of Past Indefinite Tense.

Active: Who solved that problem?

Passive: By whom was that problem solved?

Explanation

Explanation

This is an interrogative sentence of Future Perfect Tense.

Active verb form: will/shall + have + past participle form of the verb

Passive verb form: will/shall + have been + past participle form of the verb

Explanation

Determine means تعین کریں۔

Indetermine means غیر متعین

Explanation

720

The word 'LEADING' has 7 different letters.
When the vowels EAI are always together, they can be supposed to form one letter.
Then, we have to arrange the letters LNDG (EAI).
Now, 5 (4 + 1 = 5) letters can be arranged in 5! = 120 ways.
The vowels (EAI) can be arranged among themselves in 3! = 6 ways.
Therefore Required number of ways = (120 x 6) = 720

Explanation

Puzzle means a difficult problem to solve. 

Explanation

• Heuristics refer to mental shortcuts or rules of thumb that help individuals make judgments, solve problems, and make decisions efficiently and effectively.
• Heuristics are often based on experience, intuition, and common sense, and are used to simplify complex problems and arrive at a solution that is "good enough" or satisfactory.

Explanation

Difficulty in doing something makes sense.

In finding the house means مکان کو تلاش کرنے میں

Explanation

We need to find another method. 

Here another is a pronoun.

Another means ایک اور

Explanation

A force is a push or pull upon an object resulting from the object's interaction with another object.

Whenever there is an interaction between two objects, there is a force upon each of the objects.