The Government of India in the Month of November 2015 decided to allow foreign portfolio investors (FPIs) to increase stakes in local defence units to 49%. What was the earlier permissible rate?
A boat goes 15 km upstream and 10 1/2 km down stream in 3 hrs 15 min. It goes 12 km upstream and 14 km downstream in 3 hrs. What is the speed of the boat in still water?