MBA Exam

xy=27minimum value of 3x+4y=???

1) 22
2) 36
3) 32
4) 30

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MBA Other Question

In how many ways can four identical yellow balls and two identical red balls be arranged on the
circumference of a circle?

1) 6!/4!
2) 5!/(2!*4!)
3) 3
4) 2!
N = 5^(1!+2!+3!+...+12!+13!)The digits of the number N are added to get another number. Then
the digits of the number obtained are added to get yet another number.
The process is repeated till a single digit number is obtained. What is
that single digit number?

1) 7
2) 6
3) 5
4) 8