Dist. Cover diagonally =(3*2)/60=(1/10)km=100m Area of square field =1/2*100*100=5000sq.m
Just over 70.7 meter. He has walked 100 meter (3000/60*2). Using Pythagoras gives 70.7 m.
3kmhr = 50meter/minute ~ diagonal is 100 meter ~ side of square =square root of 50 meter = area of square = 50 sq meter
A man covers a distance on scooter. Had he moved 3 kmph faster he would have taken 40 min less. If he had moved 2 kmph slower he would have taken 40min more. What is the distance he wanted to cover?
Fatafat Express train travelling at 90 kmph crosses a platform in 30 seconds and a person standing on the platform in 18 seconds. What is the length of the platform in meters?
A 140 m long train takes 12 seconds to cross Virat walking at 4 kmph in a direction opposite to that of the train. Find the speed of the train?
A 150 meters long train takes 10 seconds to cross Atul walking at 5 kmph in a direction opposite to that of the train. Find the speed of the train.
