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1. |
A box contains 5 green, 4 yellow and 5 white pearls. Four pearls are drawn at random. What is the probability that they are not of the same colour ? A) 11/91 B) 4/11 C) 1/11 D) 90/91 |
A. | Option A |
B. | Option B |
C. | Option C |
D. | Option D |
Answer» E. | |