MBA Exam

How many 6 digit even numbers can be formed from digits 1 2 3 4 5 6 7 so that the digit should not repeat and the second last digit is even?

1) 720
2) 6480
3) 320
4) 2160

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MBA Other Question

a jogging park has two identical circular tracks touching each other and rectangular track enclosing the two circles.The edges of the rectangles are tangential to circles.A and B start simultaneously from the point where one of the circular track touches the smaller side of the rectangular track. A jogs along the rectangular track, while B jogs along the two circular tracks in a figure of eight..Approximately, how much faster than A does B have to run , so that they take the same time to return to the starting point?

1) 3.88%
2) 4.22%
3) 4.44%
4) 4.72%
If 5 varieties of rice costing Rs 10/kg, Rs 20/kg, Rs 30/kg, Rs 40/kg, Rs 50/kg are mixed in the ration a:b:2a:2b:a+b, and the mixture is sold at Rs 30/kg., then whch of the following can never be the profit/loss obtained

1) 21%loss
2) 1%loss
3) 21%profit
4) 1%profit