[" Walking "(3)/(4)" of his usual speed,a peon is."],[" 10min too late to his office.Find the usual "],[" time to cover the distance."]

Walking at 75% of his usual speed, Raghu is 80 minutes late to his office. What is his usual time in hours to cover the same distance?

Walking 6/7th of his usual speed, a man is 12 minutes too late. The usual time taken by him to cover that 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

By walking at (3)/(4) of his usual speed,a man reaches his office 20 minutes later than his usul time.Find the usual time taken by him to reach his office.

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 6/7t h of his usual speed a man is 12 minutes too late. The usual time taken by him to cover that distance is 1 hou r b. 1 h r 12 m in c. 1 h r 15 m in d. 1 h r 20 m in