MBA Exam

Boxes of 2 types viz. A and B are used for packing balls of 2 different colours. Each of the type A boxes can hold a maximum of 17 blue balls or 19 green balls, and each of the type B boxes can hold a maximum of 18 blue balls or 23 green balls. When all the boxes of type A are to be completely filled with blue balls and all the boxes of type B with green balls, the total number of balls required is 566. But when the boxes of type A are to be completely filled with green balls and the boxes of type B with blue balls, the total number of balls required is 49 less. How many boxes are there? (All balls of the same colour are identical.)

1) 28
2) 30
3) 26
4) 32

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MBA Other Question
Boxes numbered 1,2,3,4 and 5 are kept in a row and they are filled with either a red or a blue ball, such that two adjacent boxes can be filled with blue balls. Then how many different arrangements are possible, given that all balls or given colour are exactly identical in all respects?

1) 8
2) 10
3) 15
4) 22
 B and C together can do a certain work in one-third of the time in which A
alone can do it, whereas A and B together can do the same work in half
the time in which C alone can do it. If B alone can do the work in 28
days, then how long will A and C together take to do it?At least one detailed Approach

1) 15
2) 20
3) 12.5
4) CBD