An urn contains 5 boxes. Each box contains 5 balls of different colours red, yellow, white, blue and black. Rangeela wants to pick up 5 balls of different colours, a different coloured ball from each box. If from the first box in the first draw, he has drawn a red ball and from the second box he has drawn a black ball, find the maximum number of trials that needed to be made by Rangeela to accomplish his task if a ball picked is not replaced.

A. 7
B. 11
C. 12
D. 20
E. 60
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