Chips

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by Suyog » Wed Nov 21, 2007 12:43 pm
Number of defective chips in the shipment = 2 + 5 + 6 + 4 = 17
Total number of chips in the shipment = 5000 + 12000 + 16000 + 18000 = 51000

51000 17
60000 ?

60000 * 17 / 51000 = 20

Ans B.