Question
22, 38, 74, 138, ?,
382 Find the missing number in the following number series:Solution
22 + 42 = 38 38 + 62 = 74 74 + 82 = 138 138 + 102 = 238 238 + 122 = 382
The speed of a boat is that of the current of water is 40:3. The boat goes along with the current in 3 hours 8 minutes. It will come back in
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 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...
The speed of a boat in still water is 25 km/hr. If the boat covers 160 km in upstream in 10 hours, then find the time taken by the boat to travel 204 km...
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...
A boat goes 200 km downstream in 50 hours, and 90 km upstream in 30 hours. The speed of the stream is
The speed of a boat in still water is 7 km/hr and the speed of the stream is 2.5 km/hr. A man rows to a place at a distance of 42.75 km and comes back t...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 25 minutes to cover 25 km in downstream, then find th...
A boat takes one-third time in moving a certain distance downstream than upstream. The ratio of the speed of the boat in still water and that of the cur...
Speed of a boat in still water is 20 km/h while the speed of stream is ____ km/h. Total time taken by the boat to go 200 km upstream and 300 km downstre...
Relevant for Exams:
