Questions

A boat is sailing towards a lighthouse of height 20√3 m at a certain speed. The angle of elevation of the top of the lighthouse changes from 30° to 60° in 10 seconds. What is the time taken (in seconds) by the boat to reach the lighthouse from its initial position?

Name the gas used in preparation of bleaching powder

Earth's crust mainly contains ______.

Trinitrotoluene is

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Vivekananda dared to attempt to ______ all that was rotting in Indian society and to enrich and learn from all that was noble.

What is the basis of first level of classification among plants?

Banana freckle is a plant disease. It is caused by a

A sentence/a part of the sentence is underlined. Four alternatives are given to the underlined part which will improve the sentence. Choose the correct alternative and click the button corresponding to it. In case no improvement is needed, click the button corresponding to "No improvement".

The employees are hell bent at getting what is due to them.