Explanation

The sentence has two independent clauses: "He is an orator" and "He is a philosopher," joined by the correlative conjunction "not only... but also."

Compound sentences join independent clauses using coordinating or correlative conjunctions.

Explanation

Iron is a magnetic material that can absorb and redirect magnetic field lines.

It shields precision instruments from external magnetic interference that could affect their accuracy.

Explanation

If4^a=8^b, find the ratio $frac{a}{b}$

Write both sides with base 2:

$$4^a = (2^2)^a = 2^{2a} \ 8^b = (2^3)^b = 2^{3b} Rightarrow 2^{2a} = 2^{3b} Rightarrow 2a = 3b Rightarrow frac{a}{b} = frac{3}{2}$$

⇒2^2a=2^3b⇒2a=3b⇒a​/b=3/2​

Explanation

 The preposition "on" is used to specify the exact date or day of the week, and it is also used when referring to a particular year.

Therefore, it is correct to say "born on August 19" and "born on 1990".

Explanation

"Information about people" is the correct prepositional phrase.

We use "about" to indicate the subject of the information.

Explanation

The phrase "passing marks" is the standard term used to describe the minimum required to pass.

"Passable" means acceptable in quality.

Explanation

Let's solve:

3 men = 6 boys (given)

1 man = 2 boys

Work done by 3 men or 6 boys in 20 days:

Let's calculate work done by 1 boy in 1 day:

6 boys * 20 days = 120 boy-days

Now, 6 men and 8 boys:

6 men = 6 * 2 = 12 boys

Total = 12 boys + 8 boys = 20 boys

Time taken = 120 boy-days / 20 boys = 6 days

Explanation

Hamid Karzai was appointed as the interim president of Afghanistan in December 2001 after the fall of the Taliban.

He was later elected as President in 2004.

Explanation

"I hope to get a better job."

After the verb "hope", we use the infinitive form of the verb: "to get".

This structure expresses a desire or expectation for something to happen in the future.

Explanation

Pragmatic (عملی، حقیقت پسندانہ)
 Unpractical (غیر عملی)