A man takes 6 hours 15 minutes in walking a distance and riding back to the starting place. He could walk both ways in 7 hours 45 minutes. The time taken by him to ride both ways, is
A). 4 hours
B). 4 hours 30 minutes
C). 4 hours 45 minutes
D). 5 hours
Amy has to visit towns B and C in any order. The roads connecting these towns with her home are shown on the diagram. How many different routes can she take starting from A and returning to A, going t
A). 10
B). 8
C). 6
D). 4
Two poles of height 6 metres and 11 metres stand on a plane ground. If the distance between their feet is 12 metres, then the distance between their tops is
A). 11 m
B). 12 m
C). 13 m
D). 14 m
A man covers a certain distance upto the post office with the speed of 4 km/hr and returns back with the speed of 3 km/hr. If he covered the total distance in 3 1/2 hr, what was the total distance he
A). 12 km
B). 15 km
C). 19 km
D). 22 km
Two trains A and B start simultaneously in the opposite direction from two points P and Q and arrive at their destinations 16 and 9 hours respectively after their meeting each other. At what speed doe
A). 90 km/h
B). 160 km/h
C). 67.5 km/h
D). None of these