Explanation

About 40-50% of the body's weight is due to muscles.

Muscles are the largest component in terms of body mass after bones.

The remaining body weight is distributed between bones, skin, organs, and other tissues.

Explanation

"The number of" is a singular subject, so it takes a singular verb.

"Is" is the correct verb because it agrees with the singular subject "The number".

Explanation

To compare fractions, convert them to decimal values:

7/9 = 0.777

5/6 = 0.833

8/9 = 0.888

8/7 = 1.142

The smallest value among them is 7/9.

Explanation

Rhombic sulphur and monoclinic sulphur coexist at 95.5°C, known as the transition temperature.

Below 95.5°C, rhombic sulphur is stable, while above it, monoclinic sulphur is more stable.

Explanation

"Neither of them" is singular, so it takes a singular verb ("was").

In subject-verb agreement, "neither" always takes a singular verb, even though it refers to two people.

Explanation

In educational planning, the acronym "SWOT" stands for Strengths, Weaknesses, Opportunities, Threats.

SWOT analysis is a strategic planning tool used in education and business to assess internal strengths and weaknesses, along with external opportunities and threats.

It helps in decision-making and improving institutional or personal growth.

Explanation

Cellulose is a structural component of plant cell walls, absent in animal cells.

Animal cells lack a rigid cell wall and instead have a flexible plasma membrane.

Explanation

Pata Khazana is considered the oldest known book in the Pashto language, claimed to date back to the 18th century.

It is a manuscript compiling biographies and poetry of earlier Pashto poets.

Explanation

Speed of light in air (or vacuum) is approximately 3 × 10⁸ m/s (299,792,458 m/s), which is the fastest speed possible in nature.

Light slows down in denser mediums like water or glass due to interactions with particles, but in air, it remains very close to its speed in a vacuum.

Explanation

Given k = 15:

(k-2) = 15 - 2

= 13

Now, calculate 180/k:

180/k = 180/15

= 12

Multiply (k-2) by 12:

13 × 12 = 156