Time, Speed and Distance Exercise - Mathematics or Quantitative Aptitude Questions Answers with Solutions for All other Competitive Exams. The time taken by the bike to cover the distance is given by the expression (x+2). An object can have a speed of any number 0 or greater. How long does the trip take for a car moving at 60 mph? … A. With a speed of 60 km/h, it takes 4 hours to cover a certain distance. Solution: Distance = 150 km Let the speed of the person while going = x km/hr Then the speed while returning = (x + 10) km/hr Sohail covers a distance by walking for 6 hours. If the speed of the current is half that of the boat, what is the speed of that boat in kmph ? Speed of the car = 300/5 = 60 km/hour. If t 3 is the time the swimmer would take to swim a distance 2d in still water, then relation between t 1 … 2 h 40 min : D). Time = Distance / Speed. $2$ hr: C. $1$ hr: D. $1$ hr $42$ min: View Answer. Time taken by police man to cover 100m 100 x 1 hr = 1 hr. This quantity is the Fourier transform of the probability density ˜P(0,t) (r′ , t′ ) for an intermediate portion of a random walk to cover the distance r′ in the time t′ , under the condition that the total walk is closed, returning to the starting point r = 0 after a total time t. 4 h 20 min : B). 2 kmph If the ratio of the speeds of A and B is a:b , then the ratio of the times taken by them to cover the same distance is 1: 1 a b or b:a. When you are driving on patrol, you are managing time and distance. 2 h 55 min -- View Answer: 10). The SI unit for speed is meters per second. Time can be entered or solved for in units of secondes (s), minutes (min), hours (hr), or hours and minutes and seconds (hh:mm:ss). A train takes 50 minute for a journey if it runs at 48 km/hr. Let the distance being covered be d km Time taken to cover d km upstream = d/(y – x) Time taken to cover d km downstream = d/(y + x) It is given that time taken to go upstream is three times the time taken to go downstream. What is the distance between Alankar’s house and office, if he will reach office late by 20 minutes, … where s is the distance covered, u is the initial velocity,a is the acceleration and t is the time, we get the distance (in m) covered at any time t (in seconds). Suppose a man covers a certain distance at x km/hr and an equal distance at y km/hr. We get s = 1 / 2 a t 2. Find the distance travelled by the body in 10 s. Given: … 3. The time it takes to cover the distance between two cities by car varies inversely with the speed of the car. While returning, his speed decreases by 2kmph and he takes 9 hours to cover the same distance. What is the time taken to cover the distance at his original speed ? A). While coming back the boat takes 6 hours to cover the same distance. A body travels at a uniform speed of 20 m/s. How many minutes Raman will take to cover a distance of 400 meters if he runs at a speed of 20 km/hr ? Ques 1. Question 1170850: The distance covered by a bike is given by the expression x²+3x+2. 3 rpm 20 s 3 minutes 0.33 seconds A student repeatedly measures the time taken by an object to cover a certain distance and obtains the following data: t_1 = 2.432 s. t_2 = 2.392 s. t_3 = 2.402 s. t_4 = 2.412 S. t_5 = 2.424 s The instrument uncertainty is 0.001 s What should the student report as the absolute uncertainty m the measurement? Speed is a scalar measurement, meaning the direction of movement of an object cannot be determined by just knowing the speed. Time taken to cover 400 m = 400 × (9/50)sec = 72 sec = 1 (12/60)min = 1 (1/6)min 5. $1$ hr $12$ min: B. Find the speed of the bike Answer by math_tutor2020(68) (Show Source): Discuss: answer with explanation. 1000 2 20 In 1 hrs, the thief covers a distance of 8 x 1 km = 2 km = 400 m 20 20 5 Ex.13. If the train runs at a speed of 100 km/h and the destination is 600 km away from the source, find out the time taken to reach the destination station from the source station. In covering a certain distance, the speeds of A and B are in the ratio of 3 : 4. 2nd case : Time desired to cover the same distance of 300 km = 4 hours. The time taken by a person to cover 150 km was 2.5 hrs more than the time taken in the return journey. 15 B. A). Explanation: New speed $=6/7$ of usual speed Speed and time are inversely proportional. Time=[Distance/Speed], Distance = (Speed*Time) 2. x km/hr = [x*5/18] m/sec. 6 h 22 min. The time taken by A to reach the … A boat has to travel upstream 20 km distance from point X of a river to point Y.
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