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N is subset of W, Z and Q. (Assume conventional notations)(a) True(b) FalseI have been asked this question during a job interview.Origin of the question is Number Systems Basics in portion Number Systems of Mathematics – Class 9

Answer»

The correct answer is (a) TRUE

The explanation: N = {1, 2, 3….}

W = {0, 1, 2, 3….}

Z = {…-3, -2, -1, 0, 1, 2, 3….}

Q = p/q where p and q are INTEGERS and q ≠ 0

We can SEE that all the members of N are contained in W, Z and Q hence, it is true that N is subset of W, Z and Q.



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