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According to the health index released by National Family Health Survey (NFHS) -4, Delhi and Punjab are the richest states of India. Bihar is the poorest state and Rajasthan has the most equitable wealth distribution.
A man can row at 6 kmph in still water. If the velocity of current is 4 kmph and it takes him 6 hour to row to a place and come back, how far is the place?
The ratio of Alex's boat speed in calm water to the speed of the stream is 5:1, respectively. If the boat can traverse 144 km against the current and 36...
A boat can travel 72 km upstream and 108 km downstream in 5 hours. Find the speed of the boat in still water if the ratio of the ...
The speed of a boat in still water is 5 times the speed of the stream. If the difference between the upstream and downstream speed of the boats is 24 km...
A man swims downstream 60 km and upstream 36 km, taking 12 hr each time. Find the man’s rate in still water?
A man can row at a speed of 20 km/hr in still water to a certain upstream point and back to the starting point in a river which flows at 5 km/hr. Find h...
A boat can cover 170 km in downstream in 2 hours and 145 km in upstream in 5 hours. Find the speed of boat in still water.
The time taken by a boat to cover 72 km downstream is 3 hours less than the boat to cover a certain distance in upstream. The dow...
If a river is flowing at a rate of 6 km/hr and a boat's speed in still water is 150% higher than the river's speed, and the boat travels 'd' kilometers ...
