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1. Which of the following is NOT a rational number?

a) 0.333... b) -7 c) √3 d) 22/7

2. If a number has a decimal expansion that is non-terminating and non-recurring, then the number is:

a) Always rational b) Always irrational c) Can be either rational or irrational d) Cannot exist

3. Which of the following statements is TRUE?

a) All rational numbers are integers b) All integers are irrational numbers c) All integers are rational numbers d) All irrational numbers are integers

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