MBA Exam

lime y=3x and x+y=40 and x axis bound a triangle...Find the no. of points on or inside this triangle with integral co-ordinates?Discuss....

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MBA Other Question

There are seven black balls and eight red balls in a bag. All of them are identical. Three successive draws of two balls each, were made without replacement. What is the probability of getting two black, one black & one red and two red in the three draws respectively?

1) 28 / 715
2) 21 / 715
3) 7 / 143
4) None of these
Approach Please

1) 2
2) 4
3) 3
4) 8
5) 6