MBA Exam

In an Olympiad, a group of students were provided 4 boxes. In each boxes there are 4 identical numbers like a box may contain (1, 1, 1, 1) ones and so on. The students were allowed only two mathematical operation i.e. addition and subtractions. From the given number they were asked to form number 1 to N. What is the maximum value of N can be formed?

1) 3280
2) 4160
3) 2564
4) 6381

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MBA Other Question
The number of triangles that can be formed with 10 points as vertices, n of them being collinear, is 110. Then n is

1) 3
2) 4
3) 5
4) 6
 Point B is in the exterior of the regular n-sided polygon A1 A2 . . .An, and A1A2B is an equilateral triangle.What is the largest value of n for which An, A1, and B are consecutive vertices of a regular polygon?

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1) 89
2) 42
3) 34
4) 12