General Knowledge Questions

A sound wave has a frequency of 4 kHz and a wavelength of 40 cm. The time taken by the sound wave to travel a distance of 3.2 km is

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.

By courtesy of

A Sonar of a ship sends sounds waves of speed 1600 m/s. These waves are reflected back by the ocean floor in 4 seconds. Find the depth (in m) of the ocean floor.

A recurring theme in economics is that people:

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'.

We had to return because(A)/when we reached the railway(B)/station the train left.(C)/No error(D)

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

The guide said to the tourists, "This will be the best day of your life."

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'.

There is no question(A)/of me failing(B)/ in the examination.(C)/No error(D)

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Very simply, a checklist is a list of items required, things to be done or points to be considered, used as a reminder. This is clear. Is the _______________ implication equally clear? Perhaps not. A checklist is purely objective, no _______________ is involved. That means, if the checklist is framed as a set ______ questions, the answer to every question can only be a binary “Yes” _______ “No” and nothing in between; no shades of grey. Such objectivity is the very antithesis of the education system today, both in the way teaching happens and in the ____________ of the student.

is framed as a set ______ questions, the answer