MBA Exam

log(9-2^x) = 10^log(3-x). find x

1) 0
2) 3
3) 0 and 6
4) both a and b

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MBA Other Question

There is a circle of radius 1cm. Each member of a sequence of regular polygons S1(n), n=4,5,6,..., where n is the number of sides of the polygon, is circumscribing the circle; and each member of the sequence of regular polygons S2(n), n=4,5,6,... where n is the number of sides of the polygon, is inscribed in the circle. Let L1(n) and L2(n) denote the perimeters of the corresponding polygons of S1(n) and S2(n), then {L1(13) + 2pi}/L2(17) is

1) greater than pi/4 and less than 1
2) greater than 1 and less than 2
3) greater than 2
4) less than pi/4
A two-digit number having distinct digits when divided by the sum of the digits gives the same remainder as when a two-digit number that is formed by reversing the digits of original number is divided by the sum of the digits.Out of all such possible two-digit numbers, a number is randomly picked. What is the probability that this number is divisible by 4?

1) 3/8
2) 5/12
3) 2/7
4) 7/12