Question
(75 + 0.25 × 10) × 4 = ?2 -
14 What will come in the place of question mark (?) in the given expression?Solution
ATQ, (75 + 0.25 X 10) X 4 = ?2 - 14 {75 + (0.25 X 10) X 4 = ?2 - 14 {(75 + 2.5) X 4 = ?2- 14 (77.5 X 4) = ?2- 14 310 = ?2 - 14 ?2 = 324 ? = 18 or, ? = - 18
A train travelling at the speed of 72 km/hr crosses another train, having 60 meters less length and travelling in opposite direction at the speed of 54 ...
Train M, ‘x’ metres long crosses (x – 30) metres long platform in 24 seconds while train N having the length (x + 30) metres crosses the same plat...
Train A takes 90 seconds to cross a telegraph pole by travelling at 18 kmph speed. Train B has its length 60% more than A. It takes 40 seconds to cross ...
Gatiman express train crosses a platform in 23 seconds while it can cross a pole in 10 seconds. If the speed of the Gatiman express is 25 m/s, then find...
A train takes 5 seconds more to cross a 180-metre-long platform than it takes to cross a pole. If a car running at the speed of 42 m/s takes 80 seconds ...
Two trains A and B, were proceeding in the same direction on parallel tracks at 20 km/hr and 74 km/hr respectively. A man noticed that it took exactly 1...
100 metre long train ‘A’ can cross a platform of length 50 metres in 20 seconds. If the speed of train ‘B’ is 6 m/s more than that of train ‘A...
A train is running with the speed of 72 kmph crosses a pole in 25 sec. In how much time it can cross a 160 m long platform?
A train has to cover a distance of 112 km in 14 hours. If it covers half journey in 3/5th time, then the speed of covering the remaining dist...
Two trains approach each other at 22 kmph and 26 kmph from 2 places 240 km apart. After how many hours they will meet?
Relevant for Exams:
