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?

The permanent secretariat of OIC is located in

Who wrote the book 'Glimpses of World History'?

The Biography of Humayun was written by ___________.

Lowering of value of currency relative to a foreign reference currency is called _________.

___________ being a higher category, is the assemblage of families which exhibit a few similar characters.

BCG vaccine is given to protect from which of the following?

The element with the highest electron affinity among halogens is