Question Paper from: IBPS PO Mains 2017

Direction: The following question consists of few statements along with it. You have to determine which of the following statement/statements are necessary to answer the question. A box contains 10 tube lights, fewer than half of which are defective. Two tube lights are to be drawn simultaneously from the box. If n of the lights in the box are defective, what is the value of n?

I. The probability that the two tube lights to be drawn will be defective is 1/15.

II. The probability that one of the tube lights to be drawn will be defective and the other will not be defective is 7/15.

Only statement I is sufficient
Only statement II is sufficient
Both statement I and II are sufficient
Statement I or statement II alone is sufficient
Neither statement I nor statement II is sufficient
Chapter Name: Data - Sufficiency

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IBPS PO Mains 2017


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