Question
320, 385, 452, 526, 606,
695 In each of the following questions, one term in the number series is wrong. Find out the wrong term.Solution
320 385 453 526 606 695 +65 +68 +73 +80 +89 +3 +5 +7 +9
A boat goes 60 km in upstream in 5 hours and takes 3 hours to complete a distance of 12 km in downstream. Find the speed of boat in still water.
The speed of the stream is 15 km/h. Boat ‘A’ covers 100 km distance against the stream in 4 hours and boat ‘B’ covers 90 km distance against the...
A man can row at 3 kmph in still water. If the velocity of current is 2 kmph and it takes him 6 hour to row to a place and come back, how far is the place?
Speed of a boat in still water to speed of boat in upstream is 7:5. If the boat can travel 360 km in downstream in 5 hours, then find the time taken by ...
The ratio of the speed of boat ‘A’ in still water, the speed of boat ‘B’ in still water and the speed of the current is 7:5:2, respectively. If ...
The ratio of the speed of boat in upstream to speed of boat in downstream is 7:9. If the boat can cover a total of 70 km upstream and 90 km downstream i...
A boat goes 52 km in upstream in 4 hours and takes 3 hours to complete a distance of 15 km in downstream. Find the speed of boat in still water.
A boatman takes 9 hours to cover 64 km downstream and 60 km upstream. If the ratio of his speed downstream to his speed upstream is 4:3, what is the spe...
The duration needed to travel (x – 36) km upstream equals the time taken to go (2x – 72) km downstream. If the boat’s speed is 10.5 km/h and the c...
Speed of boat in still water is 60% more than speed of current and total time takes by boat to cover certain distance going downstream and upstream is ...
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