RRB Government Jobs Exams

A wheel rotates 12 times in a minute and moves 5 metres during each rotation.What is the time taken for the wheel to move through 930 metres?

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RRB Other Question

A train running between two stations A and B arrives at its destination 15minutes late, when its speed is 45 km/hr. and 36 minutes late when its speed is36 km/hr. find the distance between the stations A and B A boat sails 6 km upstream at the rate of 4 kmph. If the stream flows at the rateof 3 km/hr., how long will it take for the boat to make the return journey?