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Downstream speed of the boat = 187/11 = 17 km/hr Upstream speed of the boat = 180/18 = 10 km/hr Speed of boat in still water = (17 + 10)/2 = 13.5 km/hr
Ratio of speeds of ‘A’ and ‘B’ is 4:9, respectively. If they participate in a 270-metre race and ‘B’ gives ‘A’, a head start of ‘m’ ...
A train 200 m long passes a pole in 10 seconds. How long will it take to pass another train 300 m long running in the opposite direction at a speed of 3...
A is cycling at an average speed of 10 km/hr such that he can reach a certain point at 12 noon. If he cycles at 15 km/hr, then he will reach the destina...
A,B and C run around a Circular track starting from the same point simultaneously and in the same direction at the speed of 8 kmph, 12 kmph and 16 kmph ...
Ram needs to cover a certain distance to reach his destination. When he drives at a constant speed of 24 km/h, he arrives 2 hours later than planned. Ho...
A train running at the speed of 35 metre per second crosses a bridge in 30 seconds. Another which is 130 metre shorter than the previous train crosses t...
‘A’ and ‘B’ started moving towards each other at same time with a speed of 24 km/hr and 12 km/hr, respectively. If the distance covered by ‘A�...
A and B are travelling towards each other with a speed of 10 km/hr and 20 km/hr. They started at same time and A covered 20 km less distance than B befo...
A train 400 meters long passes a platform of length 200 meters in 36 seconds. What is the speed of the train in km/h?
Pratham is traveling from Delhi to Banthara, a distance of 382 km. She starts her journey from Delhi at a speed of 120 km/h, and her speed decreases by ...
