ATQ, 139 + 323 – √169 + ? = 450 462 – 13 + ? = 450 ? = 450 – 449 ? = 1
The speed of a boat in still water is 6 km/hr more than that of the current. The time taken by the boat to cover 975 km downstream is 19.5 hours. Find t...
A boat can cover 120 km in downstream in 12 hours and 100 km in upstream in 10 hours. Find the distance travelled by the boat in still water in 5 hours.
A man can row one quarters of a kilometer against the stream in 30/4 minutes and return in 5/2 minutes. The speed of the man in still water is:
The speed of a boat in still water is 50% more than the speed of the stream such that the boat takes 3 hours to cover 81 km downstream. If the speed of ...
A man can row at 36 km/hr in still water. In a stream which is flowing at 12 km/hr, it takes him 3 hrs to a place and back. How far is the place?
A boat covers 12 km upstream and 20km downstream in 4 hours while it covers 20km upstream and 12 km downstream in 4*1/2 hours. What is the velocity of c...
Motor boat covers a certain distance downstream in a river in 20 hours. It covers the same distance upstream in 30 hours. If the speed of the water is 1...
A swimmer swims from point P against the current for 6 minutes and then swims back along the current for the next 6 minutes and reaches point Q. If the ...
Speed of a boat in still water to speed of boat in upstream is 12: 7. If the boat can travel 425 km in downstream in 5 hours, then find the time taken b...
A man can row at 5 kmph in still water. If the velocity of current is 1 kmph and it takes him 5 hour to row to a place and come back, how far is the place?
