Question
1595, 1083, 740, 524, 399,
? What will come in place of the question mark (?) in the following series?Solution
1595 - 83 = 1083 1083 - 73 = 740 740 - 63 = 524 524 - 53 = 399 399 - 43 = 335
A boat covers a total distance of 48 km downstream and 48 km upstream in 5 hours. Given that the speed of the stream is 4 km/h, what is the distance the...
The speed of the boat A and B in still water are in the ratio 15:13. The speed of the current for both boats is 16 km/hr. If the sum of time taken by bo...
The ratio of the speed of the boat in upstream to that of in downstream is 7:10, respectively. If the speed of the current is 12 km/h, then find the spe...
If a man rows at the rate of 14 kmph in still water and his rate against the current is 5 kmph, then the man’s rate along the current is:<...
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...
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 goes 50 km in upstream in 5 hours and takes 4 hours to complete a distance of 16 km in downstream. Find the speed of boat in still water.
The time taken by a boat to travel a certain distance downstream is in the ratio 4:5 compared to the time taken to travel the sam...
A boat can cover 60 km in still water and 75 km in downstream in 4 hours and 3 hours respectively. Find the time taken by the boat to cover 60 km upstre...
A boat travelled 8km upstream in 30 minutes and 6 km downstream in 15 minutes. Then in how long it will take to go 12 km in still water?
Relevant for Exams:
