Question: Let’s say ISRO discovered life on a planet which is 40 light years away from Earth. So it sent a spacecraft to verify the discovery. The spacecraft can travel with a maximum speed of 70 lightyears/year ( using a …..
Question: A family of four members (Father, Mother, Daughter and Son) set up a camp near the bank of a river. At midnight they discovered that the forest behind them has caught fire and is rapidly approaching them. The only …..