Multiple choice

Let A be a sequence of 8 distinct integers sorted in ascending order. How many distinct pairs of sequences, B and C are there such that (i) each is sorted in ascending order, (ii) B has 5 and C has 3 elements, and (iii) the result of merging B and C gives A?

  1. 2

  2. 30

  3. 56

  4. 256
Reveal answer Fill a bubble to check yourself
C Correct answer

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