A boat covers a distance of 14 km upstream and 16 km downstream in 9 hours. It covers a distance of 12 km upstream and 40 km downstream in 11hours. What is the speed (in km/hr) of the boat in still water?
Which country hosted the 'Bodhi Parva : BIMSTEC Festival of Buddhist Heritage' from 8-10 December 2017 as part of BIMSTEC's 20th anniversary celebrations?
The average weight of 30 students in a class is 25 kgs. If the weight of the class teacher is added, the average weight increase by 2 kgs. The weight of the class teacher in kgs is