Question
Which one of the north-eastern states of India has the
highest concentration of tribal population ?Solution
Explanation: Mizoram has the highest concentration of tribal population, with around 94.4% of its population belonging to Scheduled Tribes (Census 2011).
A boat takes 3 hours to travel 24 km downstream and 4 hours to travel 16 km upstream. What is the speed of the current?
The speed of the stream is 12 km/h, and the speed of the boat in still water is 50% greater than the speed of the stream. Calcula...
The ratio of the speed of boats ‘A’ and ‘B’ in still water is 8:9, respectively. The speed of the current is 25% of the speed of boat ‘A’ in...
A boy can swim in water with a speed of 16 km/hr in still water. If the speed of the stream is 9 km/hr, what will be the time taken by the boy to cover ...
A man takes a total time of 5 hours to cover 36 km downstream and 18 km upstream, while the man takes the same time to cover 54 km downstream and 12 km ...
A boat goes 240 km downstream in 12 hours, and 160 km upstream in 16 hours. The speed of the stream is
A boat can cover 132 km in downstream in 11 hours and 170 km in upstream in 17 hours. Find the speed of boat in still water
A man can swim at the rate of 5 km/hr in still water. If the speed of the water is 2 km/hr, then the time taken by him to swim 18 km upstream is
When travelling downstream, a boat takes 5.25 hours to travel 252 km. If the speed of the stream is (3/8)th of downstream speed of the boat, ...
A boat running downstream covers a distance of 42 km in 6 hrs and covering the same distance upstream in 14 hrs. What is the speed of a boat in still wa...
