Question
Which of the following is an example of system
software?Solution
Explanation: Windows is an operating system, which is a type of system software.
A boat can travel 270 km downstream in 9 hours and 63 km upstream in 14 hours. Find the speed of the current.
A boat can travel 200 km downstream in 8 hours and 48 km upstream in 12 hours. Find the speed of the current.
The ratio of the distances traveled by a boat in upstream and downstream is 6:7, respectively, and the total time taken to cover the desired distance is...
A boat, whose speed in still water is 25% more than the speed of the current, covers 810 km downstream in _____ hours. The speed of the boat in still wa...
A boat takes 7 hours to cover 259 km upstream and 9 hours to cover 477 km downstream. Find the time taken by the boat to cover 602 km upstream and 605 k...
A boat can cover 170 km in downstream in 2 hours and 145 km in upstream in 5 hours. Find the speed of boat in still water.
A boat covered 180 km along the stream in 6 hours and 120 km against the stream in 6 hours. Find the speed of boat in still water.
A man rows 40 km upstream and 60 km downstream in 8 hours. If the ratio of his upstream speed to downstream speed is 2:3, then find the time required to...
A boat travels 30 km upstream and 40 km downstream. The speed of the stream is 5 km/h, and the boat’s speed in still water is 15 km/h. How much time d...
Speed of a boat in still water to speed of boat in upstream is 8: 7. If the boat can travel 450 km in downstream in 10 hours, then find the time taken b...
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