Explanation

In division, the quotient is the result of dividing one number by another.

Here, 30 ÷ 5 = 6, so the quotient is 6.

Explanation

Explanation

"Sum of x and five" means (x + 5).

"Six times" means multiplying by 6.

So, the correct expression is 6(x + 5).

Explanation

Explanation

Explanation

علاج بالدوا کا مطلب ہے بیماری کا علاج دوائیوں کے ذریعے کرنا۔

یہ طریقہ علاج ادویات کے استعمال پر مبنی ہوتا ہے، بغیر جراحی (آپریشن) کے۔

Explanation

Biocatalysis uses natural catalysts (enzymes) to speed up the decomposition of organic materials.

It helps in converting biomass into useful energy sources like biofuels.

Explanation

3x means three times of x.

2y means two times of y.

The expression 3x + 2y represents the sum of three times of x and two times of y.

Explanation

The 21th century is the century of sophisticated technology and science. Technology and science began to make progress in the seventeenth century.

1. The word 'century' is a/n _____?

(A) Noun

(B) Conjunction

(C) Preposition

(D) Article

Explanation:

"Century" is a naming word, referring to a period of 100 years.

It functions as a common noun in the sentence.

2. The word 'began' in the passage is a/an _____?

(A) Noun

(B) Conjunction

(C) Preposition

(D) Verb

Explanation: 

"Began" is the past tense of "begin," which is an action word.

It indicates an action that started in the past.

Explanation

Bacteria decompose organic matter from dead plants and animals, recycling nutrients back into the environment.

This process is essential for maintaining soil fertility and ecosystem balance.