Q 5: Two trains 220m. and 180m. long crossed each other in 16 sec. when they run in opposite direction and in 1 minute when they run in same direction. Find their speeds.|
56 km/hr. and 34 km/hr.
55 km/hr. and 35 km/hr.
57 km/hr. and 33 km/hr.
58 km/hr. and 32 km/hr.
Q 6: In a wind blowing at a speed of 5 km/hr. a cyclist goes against the direction of wind to a certain distance. In the return journey along the direction of wind, he travelled double the distance in the same time. If the wind is at standstill what is his speed.|