Let M be a sequence of 9 distinct integers sorted in ascending order. – McqOptions

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1.	Let M be a sequence of 9 distinct integers sorted in ascending order. How many distinct pairs of sequences, N and O are there such that i) each are sorted in ascending order, ii) N has 5 and O has 4 elements, and iii) the result of merging N and O gives that sequence?
A.	84
B.	35
C.	194
D.	138
Answer» B. 35

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