Explanation

Aristocracy means اشرافیہ

Explanation

"Put away" means to save or store something, especially money, for future use.

The phrase fits the context of preparing financially for difficult times.

Explanation

3/8 of 40 = (3/8) × 40 = 120/8 = 15

Explanation

Given 2x - 6 = 0:

2x = 6

x = 6/2 = 3

Explanation

Antibodies are specialized proteins produced by the immune system.

They help identify and neutralize foreign substances like bacteria and viruses.

Explanation

Work done (W) is calculated as:

W = F * d * cos(θ)

where F is the force, d is the displacement, and θ is the angle between the force and displacement.

For work done to be zero, cos(θ) needs to be 0, which happens when:

θ = 90°

Explanation

Dental amalgam is a mixture of liquid mercury in solid metal alloys like silver, tin, and copper.

It forms a solid solution once set, where the liquid (mercury) is dispersed in the solid.

Explanation

Passive voice of "Someone has broken your pen" is formed as:

Object + has/have been + past participle + by + subject

So, "Your pen has been broken by someone" is grammatically correct.

Explanation

The correct closing phrase in formal letters or applications is "Yours obediently" (note the correct spelling and capitalization).

Your obediently means آپ کی فرمانبردار

Explanation

At the primary level, teaching in the mother tongue helps children understand better and feel more comfortable.

Teachers using the child's native language can connect better.

It often show more patience in communication and learning.