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On DL the speed of the train during total interruption of communication is ________ kmph when the view ahead is clear during day and night.
During total interruption of communication on SL , the speed of LE to establish communication during night is ________ kmph
What is the distance covered by boat N upstream in 5 hours? Which of the following option is sufficient alone to find the answer? A) Boat M is travelling downstream with 20% more downstream speed of boat N. Speed of boat M in still water is 10% more than the speed of boat N in still water. B) Boat M and Boat N are travelling downstream with speed 33 km/hr and 40 km/hr respectively and speed of boat M is still water is 2 times the speed of stream. C) Speed of boat M in still water is 6 km/hr less then speed of boat N in still water and speed of stream is 10 km/hr. D) Speed of stream is ½ times the speed of boat N in still water and downstream speed of boat M is 44 km/hr. E) Speed of stream is 10 km/hr and ratio of upstream speed of boat M and boat N is 3 : 2 respectively.
The question below is followed by three statements I, II, and III. You have to determine whether the data given is sufficient for answering the question. You should use the data and your knowledge of mathematics to choose the best possible answer. A car travels from city P to city Q in T hours with a speed of v km per hour. Distance between cities P and Q is D kilometers. If it increases its speed by 5 kmph it saves some time. Find the actual speed of the car. Statement I: If the car travels from P to Q with its actual speed of v kmph and come back with the speed of v + 5 kmph in 2T – 0.6 hrs Statement II: A bus start form Q at the same time when the car starts from P and the speed of the bus is 50% more than the speed of the car and the bus meets car after covering 60% of the distance Statement III: Distance between PQ is given by D2 – 25D + 200 = 0  
A travels a certain distance at a different speed. He travels 35% of distance at a speed of 70 kmph, 25% of distance at a speed of 100 kmph, 20% of distance at a speed of 80 kmph, and remaining at 50 kmph. At the same average speed, in how much time A will cover 500 km?
If 30% of total journey covered with speed 45 kmph, 5/7th of remaining distance with speed 50 kmph and remaining distance with speed 60 kmph. What is the total distance covered if the total time taken is 2 hours for the journey?
During thick & foggy weather, line must be clear upto ________ for granting line clear at a B' class station in TALQ signalling system on Double line.
Ravi travelled 290 km in three parts 100 km at a speed of 20 kmph, 120 km at a speed of 80 kmph and remaining at a speed of 140 kmph. Find his average speed during the journey.
Prashant travelled from Aligarh to Delhi which are at a distance of 150 km. He travelled first 20 km at 40 kmph, next 75 km at 50 kmph and the remaining distance at 22.5 kmph. He returned by the same road but at a constant speed of 37.5 kmph. Find his average speed over the whole journey.
One person is traveling at a speed of 12 kmph, 24 kmph and 10 kmph on the equal sides of a triangle. What is the average speed of the entire journey? (In Kmph)