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Q146 (IAS/1997) Miscellaneous & General Knowledge › Important Days, Places & Events › Important Days, Places & Events

Examine the following statements regarding a set of balls : I. All balls are black. II. All balls are white. III. Only some balls are black. IV. No balls are black. Assuming that the balls can only be black or white, which two statements given above can both be true, but cannot both be false ? Choose the correct answer from the codes given below : Codes :

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Your answer: —  Â·  Correct: A
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