Correct Answer: Lungs

Solution : Given:
Cataract : Eye :: Pneumonia : ?

Like, Cataract is related to the eye.
Similarly, Pneumonia is a disease related to the lungs.

Hence, the third option is correct.

Correct Answer: Indus Valley civilisation

Solution : The correct option is the Indus Valley civilisation.

The Indus Valley civilisation was a Bronze Age civilisation in the Indian subcontinent's northeastern area. It thrived in the Indus River basins, one of the world's oldest continually inhabited regions. It is one of

Correct Answer: Refined

Solution : The correct choice is the third option.

Coarse refers to something rough or lacking in refinement.

Refined, on the other hand, means polished, elegant, or showing excellent taste, which is the opposite of being coarse.

The meanings of the other options are as follows:

• Devoted

Correct Answer: 1331

Solution : Given:
8, 27, 125, 343, ?

Let's apply the pattern –
(2)³ = 8→(2 is a prime number)
(3)³ = 27→(3 is a prime number)
(5)³ = 125→(5 is a prime number)
(7)³ = 343→(7 is a prime number)
(11)³

Correct Answer: aspires

Solution : The right choice is the first option.

The most appropriate synonym for ambitious in the sentence provided is aspires. Aspires in this context refers to his ambition or strong desire to become a future diplomat.

Explanation of other options:

• Improve means to make something

Correct Answer: DCAB

Solution : The fourth option is the correct choice.

The correct sequence to form a meaningful sentence is DCAB, as it correctly follows the flow of information while keeping in check the rules of grammar. 

Therefore, the correct sentence is: It is physically impossible for a

Correct Answer: 15

Solution : The correct answer is 15.

15 players on each side in Rugby Football, eight players in the tight scrum and seven players scattered all over the field called backs. When wearing jerseys, the numbers on the player's backs will determine where they are on

Correct Answer:

$\sqrt{3}:2$

Solution :
Given: $ABC$ is a right-angled triangle, right-angled at $B$.
$\angle A=60°$ and $AB=20$ cm
So, $\angle C=180°-90°-60°= 30°$
⇒ $\frac{BC}{CA}=\cos C$
⇒ $\frac{BC}{CA}=\cos 30°$
⇒ $\frac{BC}{CA}=\frac{\sqrt{3}}{2}$
⇒ $BC:CA=\sqrt{3}:2$
Hence, the correct answer is $\sqrt{3}:2$.

Correct Answer: 152

Solution : Given:
27 ÷ 3 – 84 + 65 × 5 = ?

After interchanging + with –, and × with ÷, the equation will be as follows –
= 27 × 3 + 84 – 65 ÷ 5
= 27 × 3 + 84 –

Correct Answer: I will do it.

Solution : The first option is the correct answer.

The active voice in a sentence denotes that the noun or pronoun that acts as the subject in the sentence is the doer of the action.

The structure of the active voice sentence in the