Which one of the following states has the longest coastline? 

What is the minimum distance (in metres) required to hear an echo? 

Name the first bank in India to introduce biodegradable cards. 

The major component used in preparation of different types of glasses is :

Which short cut key inserts a new slide in current presentation?

Who is the author of the non-fiction book titled India Positive?

The Chief Minister, who had to resign be of his controversial remarks on a poetess-

If a person sitting in a lift then when will he feel that his weight gets increased?