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Railways PYQCBT 1 2016

RRB NTPC · Question 85

Read the statement and choose one conclusion from the given alternatives: Statement: All buttons are pink. Some pinks are black. Some black are bells. All bells are white. Conclusions: I. Some blacks are white. II. Some bells are pink. III. Some pinks are buttons. IV. None of the buttons are white. A. Only I and III follow. B. III or IV follows. C. Only I and either III or IV follow. D. Only I, II and either III or IV follow.

  1. A

  2. B

  3. D

  4. C

Show answer & explanation

Answer: (A) A

Explanation

Some black are bells and all bells are white, so some black are white (I follows). All buttons are pink, so some pinks are buttons (III follows). II and IV are not certain. Only I and III follow.