MBA Exam

Any simpler process other than proceeding through ans.

1) 1
2) 2
3) 3
4) 4
5) 5

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MBA Other Question

m drives along the perimeter of a square and of side 10 kms and she drives with 10 20 30 and 40 kmph along the sides of the square whats her average speed??

1) 30
2) 18
3) 19.2
4) 20
Let [n] denotes greatest integer less than or equal to n. The number of real solutions to the equation 4n2 - 40[n] + 51 = 0 are

1) 4
2) None of these
3) 2
4) 3