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A boat can travel with a speed of 13 km/hr in still water. If the speed of the stream is 4 km/hr, find the time taken by the boat to go 68 km downstream.
Created: 4 months ago |
Updated: 2 months ago
2 hours
3 hours
4 hours
5 hours
None of these
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Exim Bank Ltd
Exim Bank Ltd - Officer (Cash) - 26.07.2013
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In a class average the mark in an exam is 70. The average of students who scored below 60 is 50. The average of students who scored 60 or more is 75. If the total number of students in this class is 20, how many students scored less than 60?
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