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Q20: Consider the Turing machine T :
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Q47: Find the transitive closure of
Q52: Find the number of positive integers
Q56: <span class="ql-formula" data-value="\text { The relation }
Q60: If <span class="ql-formula" data-value="f (
Q69: Find the number of permutations of the
Q72: The region-chromatic number for <span
Q90: The string <span class="ql-formula" data-value="2\
Q153: How many permutations of the seven letters