Question
Ratio of the lengths of two trains βXβ and βYβ
is 6:7 respectively and the ratio of time taken by them to cross a pole is 4:5 respectively. If speed of train βXβ is 120 km/h, then find the speed of train βYβ.Solution
Speed of Train Y = 120 Γ (7/5) Γ (4/6) => 120 Γ 14/15 = 112 km/h
A man can swim downstream in 12 minutes covering a distance of 600 meters. He takes 15 minutes to cover the same distance upstream. Find the speed of th...
A boat covers 132 km downstream in 3 hours and 96 km upstream in 4 hours. The boat takes 8 hours to travel 'D' km upst...
A person rows 300 km against the current in 5 hours and travels 540 km along the current in 6 hours. How much time will he take to row 660 km in still w...
A boat can cover 140 km in downstream in 14 hours and 96 km in upstream in 12 hours. Find the distance travelled by the boat in still water in 5 hours.
A manβs speed with the current is 23 km/hr and the speed of the current is 6 km/hr . The manβs speed against the current is:Β
The speed of the stream is 14 km/h. Boat βAβ covers 130 km distance against the stream in 5 hours and boat βBβ covers 100 km distance against th...
A boat travels 48 km downstream in 3 hours and 36 km upstream in 3 hours. What is the speed of the stream (in km/h)?
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, whose speed in still water is 25% more than the speed of the current, covers 315 km downstream in _____ hours. The speed of the boat in still w...
A boy can swim in water with a speed of 13 km/hr in still water. If the speed of the stream is 5 km/hr, what will be the time taken by the boy to cover ...