MBA Exam

Let a,b,c be distinct real numbers.Then the no of real solutions of (x-a)^3+(x-b)^3+(x-c)^3=0

1) 1
2) 2
3) 3
4) depends on a,b,c

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MBA Other Question

There are three galleries in a coal mine.On the first day ,two galleries are operative and after sometime ,the third gallery is made operative .With this ,the output of the mine became half as large again.What is the capacity of the second gallery , as a percentage of the first ,if it is given that a 4 month output of the first and the third galleries was the same as the annual output of the second gallery?

1) 70%
2) 64%
3) 60%
4) 75%
5) 80%
X purchased some items: buckets, mugs, glasses, pots and spoons. He bought at least five pieces of each of buckets, mugs, glasses, pots and spoons. All the numbers bought were distinct. He did not buy anything else. Given that he bought the least number of buckets, the number of buckets he bought can be exactly determined if the total number of items bought is at most

1) 38
2) 39
3) 40
4) 41