MBA Exam

A train leaves delhi at 9 AM at a speed of 30 km/hr.another train leaves at 2 PM at a speed of 40 km/hr on the same day and in the same direction. how far from delhi, will the two trains meet?

1) 480 km
2) 520km
3) 600 km
4) 666.7 km

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MBA Other Question

There were 42 students in a hostel. Due to the admission of 13 new students, the expenses of the mess increase by Rs.31 per day while the average expenditure per head diminished by Rs.3. What was the original expenditure of the mess?

1) Rs. 633.23
2) Rs. 583.3
3) Rs. 623.3
4) Rs. 632
5) None of These
Ten books are arranged in a row on a bookshelf. A student has to select three out of these ten books in such a way that no two books selected by him must have been lying adjacently. In how many ways can he make the selection?

1) 56
2) 64
3) 72
4) NOT