Explanation

The apostrophe (') is mainly used to show possession (e.g., Ali’s book).

It can also show omissions in contractions (e.g., don’t = do not), but in this context, possession is correct.

Explanation

Outer rectangle area = 45 × 35 = 1575 m²

Inner rectangle dimensions = (45 – 6) × (35 – 6) = 39 × 29 = 1131 m²

(3 m removed from each side → total 6 m from length & width)

Area of path = 1575 – 1131 = 444 m²

Explanation

Compound adjective is formed when two or more words are combined to describe a noun, like "five-star" in this case.

It modifies the noun "hotel," describing the quality or rating of the services offered.

Explanation

A folk tale is a traditional story passed down orally through generations.

These stories often include myths, legends, and moral lessons, making them popular in cultures worldwide.

Explanation

William Wordsworth, was the famous English poet.

He was born on April 7, 1770.

He passed away on April 23, 1850.

Explanation

The critical angle for water (from water to air) is approximately 48.6°, rounded to 49°.

This is the angle of incidence above which total internal reflection occurs when light travels from water to air.

Explanation

Parentheses ( ) are used to add extra information or clarification within a sentence.

In "(the architect)", parentheses enclose additional but non-essential information about Hameed Ullah Khan.

Explanation

A number is divisible by 3 if the sum of its digits is divisible by 3.

2+6+5+9 = 22, which is not divisible by 3, so 2659 is not divisible by 3.

Explanation

The correct word is "joyless", not "joyfulless".

"Joyful" already means full of joy, so adding -less to it is incorrect and redundant.

Explanation

Fe³⁺ (ferric ion) is yellow-brown.

When reduced to Fe²⁺ (ferrous ion), the solution typically shows a light green color.