a) 10 km/h b) 12 km/h c) 15 km/h d) 20 km/h Answer: c Explanation: Let speed of ...
View QuestionA coolie standing on a railway platform observe that a train going in one direction takes 4 second to pass him. Another train of same length going in opposite direction takes 5 seconds to pass him. The time taken (in seconds) by two train to cross each other will be:
a) 35 seconds b) 36.5 seconds c) $$\frac{{40}}{9}$$ seconds d) 36 seconds Answer: c Explanation: Let length ...
View QuestionA soldier fired two bullets at an interval of 335 seconds moving at a uniform speed V1. A terrorist who was running ahead of the soldier in same direction, hears the two shots at an interval of 330 seconds. If the speed of sound is 1188 km/h, then who is the faster and how much?
A soldier fired two bullets at an interval of 335 seconds moving at a uniform speed V1. A ...
View QuestionA car travels 50% faster than a bike. Both start at the same time from A to B. The car reaches 25 minutes earlier than the bike. If the distance from A to B is 100 km, find the speed of the bike:
a) 120 kmph b) 100 kmph c) 80 kmph d) 75 kmph Answer: cExplanation: ...
View QuestionA starts 3 Minutes after B for a place 4.5 km distant. B, on reaching his destination, immediately returns and after walking a km meets A. If A can walk 1 Km in 18 minutes,then what is B’s speed?
a) 4 km/h b) 6 km/h c) 7 km/h d) 5 km/h Answer: d Explanation: P__________3.5Km__________M__1km____Q Speed of ...
View QuestionThe ratio between the speed of a bus and train is 15 : 27 respectively. Also, a car covered a distance of 720 km in 9 hours. The speed of the Bus is three-fourth the speed of the car. How much distance will the train cover in 7 hours?
a) 760 km b) 756 km c) 740 km d) None of these Answer: b Explanation: Ratio of ...
View QuestionA thief seeing a policeman at a distance of 150 metres starts running at 10 kmph and the policeman gives immediate chase at 12 kmph. When the thief is overtaken the thief has traveled a distance of:
a) 750 m b) 900 m c) 800 m d) 1 m Answer: a Explanation: P__150m___T______x m_______Q. Let Policeman ...
View QuestionA plan left 40 minutes late due to bad whether and order to reach its destination 1600 km away in time, it had increase its speed by 400 kmph from its usual speed. Find the usual speed of the plane?
a) 600 km/hour b) 400 km/hour c) 1000 km/hour d) 800 km/hour Answer: d Explanation: Let ...
View QuestionIn a 1-kilometre race, A can beat B by 30 meters, while in a 500-meter race B can beat C by 25 meters. By how many meters will A beats C in a 100-meter race?
a) 7.25 b) 7.15 c) 7.85 d) 7.03 Answer: c Explanation: When A runs 100 meters, B runs 970 ...
View QuestionTwo trains started at the same time, one from A to B and other from B to A. if they arrived at B and A respectively in 4 hours and 9 hours after they passed each other, the ratio of the speeds of the two trains was:
a) 2 : 1 b) 3 : 2 c) 4 : 3 d) 5 : 4 Answer: b Explanation: ...
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