Questions

AC is converted into DC by a

If the velocity of a body becomes two times its initial velocity, its kinetic energy becomes n times its initial kinetic energy. What is the value of n?

In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/passage and find out which of the four combinations is orrect.

1. The king was distressed because his people were lazy.
P. All cursed the stone and blamed the Government.
Q. Then the king had the stone removed.
R. Next day people passed by and went round it.
S. He had a big stone put in the middle of the road one night.
6. Under the stone the king had placed a purse full of money.

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. If a sentence is free from error, select 'No Error'.
The population of Mumbai(A)/is greater than(B)/in any city in USA.(C)/No error(D)

The question below consists of a set of labelled sentences. These sentences, when properly sequenced form a coherent paragraph. Select the most logical order of sentences from among the options.

P: While it is good to see SEBI taking a serious view of leaks and initiating suo motu action, bringing the perpetrators to book through such old-fashioned methods 0may be an uphill task.
Q: But recent episodes of suspected insider trading through WhatsApp groups, in which analysts shared prescient tip-offs about upcoming results for top listed companies, reveals that the framework remains porous.
R: The Ministry of Corporate Affairs and the Securities Exchange Board of India (SEBI) have lately redoubled their efforts to put in place a water-tight governance framework for listed firms.
S: Initiating a probe into this episode, SEBI has interrogated analysts, conducted raids on stock brokers and deployed search-and-seizure powers to confiscate laptops and mobile phones.

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

The painting had not been painted by the famous painter.

In the following question, out of the given four alternatives, select the one which is opposite in meaning of the given word.

Predicament

Who is the winner of the third Indian Council for cultural Relations (ICCR) distinguished indologist award – 2017