MBA Exam

A tank of height 3m has capacity of 225 litres.three pipes each having capacity to empty the tank at 5Litres per minute are at height of 0m,1m and 2m from base.How much time will they take to empty the tank?

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MBA Other Question

A shop sells hamburgers which contain some of the following: meat burger, vegetable burger, lettuce, tomato, carrot, mayonnaise and tomato sauce. a. You must have a meat burger or a vegetable burger. b. You can have any number of other ingredients or none. c. If you have meat burger, you can also have tomato sauce, but not if you have a vegetable burger. d. If you have lettuce or tomato or both you can have mayonnaise but not otherwise.How many different hamburgers can be constructed according to these rules?

1) 7
2) 21
3) 42
4) 35
There are two circular tables in a room placed side by side. Each table has 4 seats placed in identical orientations around the table such the the entire setup may be considered a mirror image setup.The concierge had been given a plan sheet with 4 particular ways to seat the 8 guests at the table. However, the concierge lost the paper.What are the chances of the concierge getting the the seating right, considering he does not remember anything of the seating plan.

1) 1 in (4*7!)
2) 1 in (7!)
3) 1 in (7!/4)
4) 1 in (8!)