Questions

Who discovered electricity and invented the lightning rod and bifocals?

Who discovered television?

In which of the following areas, Pandit Jasraj has established his reputation?

If x+1x = 4, then what is the value of x6+1x6 ?

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 triangle has its orthocenter and centroid of equal length, then which of the following is TRUE about the triangle?

Alps mountain range is located in which continent?

In the following question, out of the four alternatives, select the alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

A bed sheet hung on the doorway sufficed till the doors (is finally installed).