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MCQ (Single Correct Answer)
GATE CSE 2018
Let N be the set of natural numbers. Consider the following sets,
P: Set of Rational numbers (positive and negative)Q: Set of functions from {0, 1} to NR: Set of functions from N to {0, 1}S: Set of finite subsets of N
Which of the above sets are countable?
(A) Q and S only(B) P and S only(C) P and R only(D) P, Q and S only
