As you requires I am here giving you Previous Year Question Papers for BA Economics Course of Delhi University (DU).

Sample paper :

Attempt ANY THREE parts out of four.’ All parts carry equal marks. (6 marks)

(a) A seller has a dozen water meters, two of which are faulty. A customer is interested in buying all the meters. The seller can package all the meters in one large box or six each in two identical smaller boxes. If the customer is likely to inspect two meters from a large box and only one meter each from the smaller boxes, which of the following strategies should the seller adopt in his attempt to sell the faulty meters without being detected?

(i) pack all 12 meters in one largebox;

(ii) put one faulty meter in each smaller box; a

(iii) put both the faulty meters in one of the smaller boxes and no faulty ones in the other.

(b) Three identical boxes are given. Box A contains 5 red and 3 white balls. Box B contains 3 red and 5 white balls. Box C contains 4 red and 4 white balls. A fair die is tossed. If a 5 or 6 appears then a ball is randomly chosen from Box A. If a 4 appears then a ball is randomly chosen from Box B. Otherwise a ball is randomly selected from Box C.

(i) Find the probability that a red ball is chosen.

(ii) If a red ball is selected, what is the probability
it came from Box B?





Here is the attachment.



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Attached Files

DU Previous Year Question Papers BA Economics.pdf (317.9 KB, 212 views)