Questions

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.

In ____________ layout headings can be displayed hiding the text under them in Microsoft Word.

Which Indian organisation is developing ‘Green propulsion’ technology, that was seen in the news recently?

In the following question, four words are given out of which one word is correctly spelt. Select the correctly spelt word

The process of taking up a permanent shape, size and function to form a permanent tissue is called

Fishes have a ........ chambered heart.

In the following question, out of the four alternatives, select the alternative which is the best substitute of the words/sentence.
The faculty or power of using one's will

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