Question
Two trains, A and B, are moving in opposite directions
at speeds of 45 km/h and 60 km/h, respectively. The lengths of the trains are 120 meters and 150 meters. How much time will they take to cross each other?Solution
Relative speed = 45 + 60 = 105 km/h = 105 * 1000 / 3600 m/s = 175/6 m/s. Total distance = 120 + 150 = 270 meters. Time taken = 270 / (175/6) = 9.26 seconds Correct Option: b)Â
. Manisha starts at point A, walks straight to point B which is 8 ft. away. She turns left, at 90° and walks to D which is 8 ft away, turns 90° right...
What is the shortest distance between point J and point H?
Six points D, E, F, G, H and I are at different directions and distance from each other. Point E is 7m south of Point I, which is in 6m west of Point F....
Urvashi walks 12 m north. Then she turns right and walks for 18 m, turns right and walks for 20 m, turns left and walks for 7 m, turns left and walks fo...
A @ B * C % D * E, then B is in which direction with respect to E?
Ankit runs 20 meters towards east and turns right, runs for 15 meters and again turns right. Now the man runs for 10 meters and again turns to his left....
What is the shortest distance between X and the only person, who sits to the north east of X?
- Tanvi is standing facing south. She walks 16km straight, then turns left and walks another 13km and turns right and walks 7km. Then she turns left and walk...
Prabhu starts from a point and walks 3 km west and the turns right and walk 3 km and turns left and walk 3 km again. He starts towards a point 3 km towa...
A @ W * R % Z * P, then W is in which direction with respect to P?
Relevant for Exams:
