Question
Who has authored the book “Dreams from My
Father”?Solution
‘Dreams from My Father’ a book about the story of Barack Obama's struggle that he faced as was born in the family where his father was black African and mother was white American.
A boy can swim a certain distance downstream in 3 hours and return in 7 hours. If the rate of stream is 4 kmph then what is the speed of boy in still wa...
A boat can cover 150 km in downstream in 5 hours and 144 km in upstream in 12 hours. Find the speed of boat in still water
The speed of a boat in still water is 30 km/hr. If the boat covers 160 km in upstream in 8 hours, then find the time taken by the boat to travel 120 km ...
Find the total distance covered by boat in each upstream and downstream in 4 hours if the speed of boat in still water and speed of current is 15 km/h a...
The speed of a boat in still water is 45 km/hr, and the speed of the stream is 5 km/hr. The boat takes 30 minutes longer to cover a distance of x km ups...
The ratio of the speed of the boat in upstream to that of in downstream is 4:7, respectively. If the speed of the current is 9 km/h, then find the speed...
- A boat's speed in still water is 10 km/hr, and the current's speed is 3 km/hr. The boat takes a total of 15 hours to cover ‘x’ km each way (upstream an...
The ratio of the speed of boats ‘A’ and ‘B’ in still water is 8:9, respectively. The speed of the current is 25% of the speed of boat ‘A’ in...
If a man rows at the rate of 12 kmph in still water and his rate against the current is 10 kmph, then the man’s rate along the current is: Â
...A boat takes 3 hours  to travel 54 km downstream  and 3 hours  to travel 42 km upstream . What is the speed of the boat in still water ?
