Questions

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

As of August 2018, what is the portfolio held by the current Union Minister Ravi Shankar Prasad?

What is the name of the most ancient spiral galaxy that existed 11 billion years ago?

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 partners will celebrate their triumph tomorrow.

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: We may see alcohol and tobacco advertisements everywhere, on television, in newspaper, on street ads card etc.
Q: But we know the truth is alcohol and cigarette are harmful for people’s health and sometimes it may bring bad effects to self-impression.
R: Alcohol ads usually create several feints to tell people that alcohol is good for people and induce people to drink.
S: On the other hand, the malign influence of advertisements shows smoking as something "cool".

The short run marginal cost curve is ____ shaped.

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.

Lakhs of tourists view the Taj Mahal every year.

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'.

I was taken by surprise (A)/when I came(B)/face to face with my school friend.(C)/No error(D)