Two particles with charges q1 and q2 are kept at a certain distance to exert force F on each other. If the distance is reduced to one-fifth, then the force between them is
A car takes 5 hours to cover 100 kms distance at a particular speed whereas another car takes 3 hours to reach a particular distance at the same speed. Find the distance.
ESPN annually ranks 100 of the most famous active sportspersons in the world to create the 'ESPN World Fame 100' list. Which Indian player had the highest ranking in this list in 2017?