Question Set

1. A car driver decided to drive his car at a speed of 60km/hr in the hope of covering a distance of 30km in 30 minutes. But half way through he found that his speed was only 30 km/hour. What should be his speed in the second half of his journey if he has to complete his journey at an average speed of 60km/hour?





Ask Your Doubts Here

Type in
(Press Ctrl+g to toggle between English and the chosen language)

Comments

Show Similar Question And Answers
QA->Distance between two stations A and B is 778 km. A train covers the journey from A to B at 84 km per hour and returns back to A with a uniform speed of 56km per hour. Find the average speed of the train during the whole journey?....
QA->Walking at 4 km an hour, a peon reaches his office 5 minutes late. If he walks at 5 km an hour, he will be 4 minutes too early. The distance of his office from the residence is—....
QA->Suresh drives his car to a place 150 km away at an average speed of 50 km/hr and returns at 30 km/hr. What is his average speed for the whole journey ?....
QA->At his usual rowing rate, Rahul can travel 12 miles downstream in a certain river in 6 hrs less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for this 24 mile round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour?....
QA->At his usual rowing rate, Ram can travel 12 miles downstream in a certain river in 6 hrs less than it takes him to travel the same distance upstream. But if he could double his usual rowing rate for this 24 mile round trip, the downstream 12 miles would then take only one hour less than the upstream 12 miles. What is the speed of the current in miles per hour?....
MCQ->A car driver decided to drive his car at a speed of 60km/hr in the hope of covering a distance of 30km in 30 minutes. But half way through he found that his speed was only 30 km/hour. What should be his speed in the second half of his journey if he has to complete his journey at an average speed of 60km/hour?....
MCQ->A car during its journey travels 30 minutes at the speed of 40 km/hr another 45 minutes at the speed of 60km/hr and for two hours at a speed of 70 km/hr. Find the average speed of the car?....
MCQ->In this section,each passage consists of 6 sentences.The first and sixth sentences are given in the beginning as S1 and S6.The middle four sentences in each are removed and jumbled up.These are labelled P,Q,R,S.You are required to find out the proper order of the sentences and mark accordingly on the answer sheet S1:At the roadside a driver will be asked to blow through a small glass tube into a plastic bag S6:The driver will be asked to go to the police station P:And if the color change did not reach the line the driver cannot be punished under the new law. Q:Inside the tube are chemically treated crystals which change color if the driver has alcohol on his brreath R:But if the color change did reach the line,then the test has proved positive S:If the color change goes beyond a certainline marked on the tube then this indicates the driver is probably over the specified limit The proper sequence should be....
MCQ->The "flying car" is a ride at an amusement park, which consists of a car having wheels that roll along a track mounted on a drum. Motion of the car is created by applying the car's brake, thereby gripping the car to the track and allowing it to move with a speed of vt = 3m/s. If the rider applies the brake when going from B to A and then releases it at the top of the drum, A, so that the car coasts freely down along the track to B ( = rad), determine the speed of the car at B and the normal reaction which the drum exerts on the car at B. The rider and car have a total mass of m = 250 kg and the center of mass of the car and rider moves along a circular path of radius r = 8 m.....
MCQ->Biju drives a bike at an average speed of 30km/hr. and reach his destination in 6hrs. Sarath covers that distance in 4 hrs. If Biju increase her average speed by 10 km/hr and Sarath increases his average speed by 5 km/hr., then what will be the difference in time taken by them to reach their destination?....
Terms And Service:We do not guarantee the accuracy of available data ..We Provide Information On Public Data.. Please consult an expert before using this data for commercial or personal use | Powered By:Omega Web Solutions
© 2002-2017 Omega Education PVT LTD...Privacy | Terms And Conditions
Question ANSWER With Solution