Question (21/53)
Walking `6/7` th of his usual speed, Sam is 12 minutes too late. What is usual time taken by Sam to cover that distance ?(A) 1 hr 05 min
(B) 1 hr 12 min
(C) 1 hr 15 min
(D) 1 hr 20 min
Question (22/53)
A man can reach a certain place in 30 hours. If he reduces his speed by `1/15` th , he goes 10 km less in that time. What is his speed ?(A) 4 km/hr
(B) 5 km/hr
(C) 6 km/hr
(D) 7 km/hr