MUST WATCH-SOLVE QUESTIONS IN SECONDS-TIME, SPEED AND DISTANCE- COMPETITIVE EXAMS MATHS-LECTURE 4 скачать в хорошем качестве

MUST WATCH-SOLVE QUESTIONS IN SECONDS-TIME, SPEED AND DISTANCE- COMPETITIVE EXAMS MATHS-LECTURE 4

Logical shortcut solutions for mathematics questions commonly asked in competitive exams such as SSC-CGL, CHSL, MTS, GD, CPO, UPSC-CSAT, DSSSB, CTET, KVS, State Services Exams, CAT, GMAT and others Time stamp 00:10 A train starts from Delhi at 8 am and reaches Gaziabad at 10 am, another train starts from Gaziabad at 8 am and reaches Delhi at 11 am. What is the time of crossing? 03:00 A train starts from Delhi at 7 am and reaches Gaziabad at 9 am, another train starts from Gaziabad at 8 am and reaches Delhi at 11 am. What is the time of crossing? 05:44 A thief pursued by a policeman was 150 m ahead at the start. If the ratio of the speed of the policeman to that of the thief was 5:4, then how far (distance in meters) could the thief go before he is caught by the policeman? 06:47 A thief is spotted by a policeman from a distance of 400m. When the policeman starts chasing, the thief also starts running. If the speed of the thief is 32 km/hr and that of the policeman is 40km/hr, then how far would the thief have run before he is overtaken? 08:27 A policeman is chasing a thief at the speed of 12 km/hr, and the thief is running at the speed of 8 km/hr. If the policeman started 30 min late, find the time taken by the policeman to catch the thief ? 12:13 A thief steals a bike at 12:30 pm and drives it at 48 km/hr. The theft is discovered after half hour. The bike owner starts to chase him on another bike at 58 km/hr. At what time the thief will be caught? 14:09 A thief commits a crime and escapes from the spot at the speed of 12 km/hr. A security guard starts chasing him 20 min after the thief started running and caught him in the next 20 min. What is the speed (in km/hr) of security guard?