Questions

According to the Hornbostel–Sachs system of Indian Musical Instruments, Ghungroo can be classified as

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.
Insurance is a contract, represented for a policy, in which an individual or entity receives financial protection.
i. Represented in a policy
ii. Represented by a policy
iii. Represented with a policy

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best expresses the same sentence in Passive/Active voice.
Who teaches you Mathematics?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.
Mother shall return _____ an hour.

In the following items, each passage consists of six sentences. The first and the sixth sentence are given in the beginning as S1 and S6. The middle four sentences in each have been removed and jumbled up. These are labeled P, Q, R and S. You are required to find out the proper sequence of the four sentences and mark your response accordingly on the Answer Sheet.

S1 :The boy felt his way up the creaking stairs through thick darkness.
S6:He was just telling himself he was safe when the door was flung open and the gaunt old man grabbed his shoulder.
P:All he had to do was just get past the central door on the landing.
Q:He stopped as the great clock below whined for a few seconds and gave out a single, solemn stroke.
R:His eyes were raised to the faint moonlight that shone above the landing.
S:He hesitated as the sound died down and then crept on, thinking that if they could sleep through that, they would sleep through any noise he could make.

The proper sequence should be 

....... is displaced when zinc is added to the solution of copper sulphate

The United Nations Green Climate Fund is Headquartered in which country?

The area of a semicircle is 308 sq.cm. Calculate its perimeter (in cm)