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?

If a man takes 25 minutes to reach railway station and his train is scheduled at “$%”. Then at what time should he leave to reach the station 10 minutes earlier?

In which year did the Kakori conspiracy case take place?

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

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.

The tendency of undisturbed objects to stay at rest or to keep moving with the same velocity is called ___

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

The resort is _____ the lake.

In each of the questions, four alternatives are given for the Idiom/Phrase. Choose the alternative which best expresses the meaning of the Idiom/Phrase and click the button corresponding to it.

To put a spoke in one's wheel