Question
Without stoppage, a train travels a certain distance
with an average speed of 100 km/h, and with stoppage, it covers the same distance with an average speed of 80 km/h. On an average, how many minutes per hour does the train stop during the journey?Solution
Due to stoppage, it covers 20 km less. Time taken to cover 20 km = 20/100 × 60 = 12 min.
Which of the following query will return the third-highest salary from an Employee table in SQL?
Abstract Class in Java
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