MBA Exam

A teacher asked her students to think of a natural no which was a perfect square and convert it to a base pf any natural number not more than 9.She observed that even though no 2 students converted to the same base,all the students ended up getting the same result of 12321.Find the max number of students in the class

1) 4
2) 5
3) 6
4) 7

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MBA Other Question

From a vessel containing 160ltr of milk x ltr are drained out and replaced by water. Then again x ltr of milk-water solution is drained out and replaced by water. Finally 90ltr of milk is left in the vessel. Find the value of x.

1) 30
2) 40
3) 36
4) 35
There are 10 stations on a railway line. The number of different journey tickets that are required by the
authorities is

1) 90
2) 10
3) 18
4) 89
5) 92