" Traveling at "3/4" of the usual speed a person is "10" min late,Find usual time to cover distan "

Moving 6/7 of its usual speed a train is 10 min late. Find its usual time to cover the journey

Walking at 6/7 th of his usual speed a man is 25 minutes too late. His usual time to cover this distance is

Walking at (3)/(4) of his usual speed,a man is 1(1)/(2) hours late. His usual time to cover the same distance, in hours, is

A man walking with 3/4 of his usual speed, reaches office 20 min late. His usual time is