Correct Answer: Peace

Solution : The first option is the correct answer.

The most appropriate antonym for the underlined word turmoil in the given sentence is peace because turmoil refers to a state of disturbance, chaos, or confusion while peace means a state of tranquillity, calmness, and freedom from disturbance

Correct Answer: Days

Solution : Given:
Second, Minute, Hour, ?

We know that the second is the smallest unit of time in terms of magnitude. Also, minutes constitute multiple seconds, and hours constitute multiple minutes.
Similarly, multiple hours combined constitute a day.

So, days is the missing term of the

Correct Answer: RADIO

Solution : Given: 
TRADITIONAL

Let's compare the given options –
First option: NATION; In the word NATION, there are two Ns, but in the word TRADITIONAL, there is only one N. Therefore, all the letters of NATION are not present in the word TRADITIONAL.
Second

Correct Answer: Of

Solution : The first option is the correct answer as "of" establishes a possessive or relational connection between the action "take care" and the object "your health", and it fits perfectly in the sentence.

The sentence is an expression used to encourage someone to be mindful of

Correct Answer: (1)

Solution : The sentence can be improved using the second option.

When constructing questions or inquiries, the more idiomatic and common structure involves using the infinitive "to ask" directly after the verb "to be." The infinitive "to ask" conveys the intended meaning of posing a question about

Correct Answer: Vikramashila

Solution : The correct option is Vikramshila.

In the modern-day Bihar region of Bhagalpur, Vikramshila University was one of the biggest Buddhist universities in ancient India. In reaction to a purported deterioration in the calibre of study at Nalanda, the Pala monarch Dharmapala built it in the

Correct Answer: 8

Solution : The given figure can be labelled as shown below –

Now, in the above figure, there are 8 triangles. They are BCH, DCH, BCD, CGE, CGF, GEF, ACG, ACF.

Hence, the third option is correct.

Correct Answer: Microphone

Solution : The correct answer is Microphone.

Microphone is a device which is used to record audio and music. It works by converting sound waves into electric signals. It was invented by Emile Berliner in 1877. Later it became the part of telephones invented by Graham Bell

Correct Answer: (2)

Solution : The correct choice is the second option. 

Explanation: The reason for the error is related to the use of the modal verb in the phrase "must have it amputated". The sentence would be grammatically correct if it used the construction "he had to

Correct Answer: 972$\pi$

Solution : Diameter of the sphere = Side of cube = 18 cm
So, radius of the sphere = $\frac{18}{2} = 9$ cm
Volume of sphere = $\frac{4}{3}\pi r^3$
= $\frac{4}{3}×\pi×9×9×9$ = $972\pi$ cm³
Hence, the correct answer is 972$\pi$.