MBA Exam

ind the 28383rd term of d series.....1234567891011121314...........if any1 knows any short method for dis plz do share.....

1) 3
2) 4
3) 9
4) 7

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MBA Other Question

Three identical cones with base radius r are placed on their bases such that each is touching the other two.the radius of the circle passing through their vertices is

1) r/(root3)
2) 2r
3) 2r/(root3)
4) (root 3) r/2
Each of A,B and C need a certain unique time to do certain work. C needs 1 hour less than A to complete the work. Working together they require 30 minutes to complete 50% of the work. The work also gets completed if A and B start working together and A leaves after 1 hour and B works further 3 hours. How much work does C do per hour?

1) 16.66%
2) 66.66%
3) 50%
4) 33.33%