MBA Exam

In an isoceles right angled triangle ABC, angle B is right angle. Angle bisector of angle BAC is AN cut at M to the median BO. Point 'O' lies on the hypotenuse. OM is 20 cm, then the value of AB is?

1) 24.18 cm
2) 34.134 cm
3) 68.27 cm
4) none of these

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MBA Other Question

Angle between hr hand and min hand at 4:40??

1) 100
2) 320/11
3) 160/11
4) None of these!!
Hundred concentric circles are drawn with radius 1, 2, 3….100 cm respectively.
The region bounded by the inner most circle is labelled 1. Every region bounded
by any two consecutive circles is labeled 2, 3, 4…in the ascending order of
their areas. Then, what is the sum of the areas of all the regions that are
labelled even as a fraction of the total area of all the regions?

1) 1/2
2) 101/200
3) 49/100
4) 51/100