MBA Exam

In a box, there are 24 balls numbered 1 through 24. Out of the 24 balls, thenumbers of balls that are coloured black, red and green are 10, 8 and 6respectively. If Alan randomly takes out 6 balls from the box, then the totalnumber of ways in which 2 green balls can be taken out from the box by Lamb is15 and the probability of taking out a red ball is half the probability of taking outa non-red one.After Alan has taken out 6 balls at random, Smith also takes out 2balls from the box randomly. What is the probability that Smith did not take outa red ball?1. 11/172. 13/183. 2/34. 22/51

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

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MBA Other Question
How many natural nos from first natural 1200 nos are not divisible by 2,3 and 5 ?PS: edited

1) 320
2) 340
3) 260
4) 280
 A triangle ABC has 2 points marked on side BC, 5 points marked on side CA and 3 points marked on side AB. None of these marked points is coincident with the vertices of the triangle ABC. All possible triangles are constructed taking any three of these points and the points A, B, C as the vertices. How many new triangles have at least one vertex common with the triangle ABC?

1) 126
2) 129
3) 127
4) 128