Question
Which of the following numbers will replace the question
mark (?) in the given series? 213, 199, 235, 221, 257, 243, ?Solution
The correct answer is D
Boat ‘A’ can cover 160 km in still water in 8 hours. In still water, if the ratio of the speed of boat ‘A’ to that of ‘B’ is 2:3 and the spe...
A boat can cover 90 km upstream and 225 km downstream in 15 hours. Speed of the stream is how much less than the speed of the boat in still water if the...
A boat moves upstream at 18 km/hr. If it covers 270 km downstream in 5 hours, determine the speed of the current.
Speed of a boat in still water to speed of boat in upstream is 16: 13. If the boat can travel 228 km in downstream in 6 hours, then find the time taken ...
Speed of a boat in still water is 6 times more than the speed of stream. If boat covers 112 km in downstream in 8 hours, then find the time taken by the...
The speed of the stream is 14 km/h. Boat ‘A’ covers 130 km distance against the stream in 5 hours and boat ‘B’ covers 100 km distance against th...
Speed of current is equal to 35% of speed of boat in still water. If the boat takes 7 hours to cover 140 km in still water, then find the time taken by ...
- The ratio of the boat's speed in still water to the speed of the stream is given as 16:4. The boat takes a total time in the ratio 10:7 to travel (d + 120)...
A motorboat completes 36 km upstream and 96 km downstream together in 7 hours. If its speed in still water is 12 km/h more than the stream, determine th...
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?
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