Questions

The centre of the reflecting surface of a spherical mirror is a point called the ___.

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?

Who is the Vice Chairperson of NITI Aayog ?

Which among the following is not a qualification to become a Vice President of India?

A sentence has been given in Direct/Indirect Speech. Out of the four given alternatives, select the one which best expresses the same sentence in Indirect/Direct Speech.

The visitor enquired, “When is the next train?”

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'.

A balanced diet is one that provide (1)/ an adequate intake of energy and nutrients (2)/ for maintenance of the body and therefore good health. (3)/ No error (4)

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.

They have published the names of all the successful candidates.

Calculate a country's GDP if for the year, consumer spending is $900 million, government spending is $250 million, investment by businesses is $180 million, exports are $85 million and imports are $100 million.