Question
If the positions of the second and the third digit of
each of the numbers are interchanged, how many odd numbers will be formed? Following questions are based on the five three digits numbers given below: 589 482 543 394 187Solution
598 428 534 349 178
A boat's speed in still water allows it to cover 120 km in 8 hours. The current's speed is 20% of the boat's speed. How long will it take the boat to tr...
A boat can cover 195 km in downstream in 10 hours and 140 km in upstream in 14 hours. Find the distance travelled by the boat in still water in 4 hours.
A boy can swim a certain distance downstream in 4 hours and return in 7 hours. If the rate of stream is 6 kmph then what is the speed of boy in still wa...
A boat travels 200 km downstream in 10 hours. The difference between its downstream speed and upstream speed is 5 km/h. What is the ratio of the boat's ...
A car can cover a ‘2d’ km distance at the speed of ‘B’ km/h in 30 hours. The speed of the boat in still water and the speed of the stream are �...
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 875 km downstream is 17.5 hours. Find t...
A man can row 16 km/hr in still water. It takes him thrice as long to row up as to row down the river. Find the speed of the man against the current.
- A boat travels 160 km downstream in 8 hours. The difference between its downstream speed and upstream speed is 2 km/h. What is the ratio of the boat's spee...
A boat, whose speed in still water is 25% more than the speed of the current, covers 315 km downstream in _____ hours. The speed of the boat in still w...
A boat takes 2 hours 20 minutes to cover 140 km downstream and 2.5 hours to cover 75 km upstream. If the boat covers 'y' km upstream and '2y' km downstr...
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