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Beyond Horizon Set 2 Paper 2 · Q20

Paper 2Probability

A base-1010 three-digit number nn is selected at random. Which of the following is closest to the probability that the base-99 representation and the base-1111 representation of nn are both three-digit numerals?

A0.30.3
B0.40.4
C0.50.5
D0.60.6
E0.70.7

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