Question
Which device connects a computer to a telephone line for
internet access?Solution
A modem modulates and demodulates signals for Internet access over telephone lines.
A man can row 25/2 km an hour in still water and he finds that it takes him thrice as long to row up as to row down the river. The rate of stream is:
The speed of the boat in still water is 12 km/hr and the speed of the stream is 9 km/hr. A boat goes 105 km downstream with its usual speed but at the t...
Speed of a boat in still water is 9 km/hr. It goes 12 km downstream and comes back to the starting point in three hours. What is the speed of water in t...
Speed of a boat in still water is three times the speed of the boat in upstream. If the boat takes 44 minutes to cover 22 km in downstream, then find th...
A boat covers 12 km upstream and 20km downstream in 4 hours while it covers 20km upstream and 12 km downstream in 4*1/2 hours. What is the velocity of c...
A boat can travel 24 km upstream and 30 km downstream in 4 hours. Find the speed of the boat in still water if the speed of the stream is 3 km/h.
Speed of current is equal to 25% of speed of boat in still water. If the boat takes 5 hours to cover 120 km in still water, then find the time taken by ...
A boy can swim a certain distance downstream in 4 hours and return in 5 hours. If the rate of stream is 3 kmph then what is the speed of boy in still wa...
A boat goes 60 km upstream in 4 hours and 50 km downstream in 2 hours, then the speed of the boat in still water is
A Boy can swim 12 km/hr in still water. If the velocity of the stream is 6 km/hr, the time taken by him to swim a place 28 km upstream and back is
