MBA Exam

In how many ways 25 balls can be selected from a bag containing 15 identical red balls, 20 identical green balls and 25 identical yellow balls?

1) 300
2) 291
3) 281
4) 265

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MBA Other Question

A, B and C can individually complete a piece of work in 30, 50 and 75 days respectively. They worked on one day each, with A starting the work followed by B the next day and C the next day. They continued working like this till the 30th day after which the remaining work was completed by B and C working on alternate days with B working on 31st day. In how many days was the work completed?

1) 50
2) 45
3) 40
4) 35
a square of longest possible side is drawn inside the triangle ABC with one side of the square lying on the side BC.If AB=13,BC=21,AC=20 ,then find the side of the square ..

1) 84/11
2) 7
3) 28/3
4) 31/4