1) √23 is .......... Number a) rational number b) Irrational number c) Whole number d) None 2) 2+√3 is ........ Number a) Complex numbers b) Whole number c) Rational number d) None 3) 2/3 is ........... Number a) Rational number b) Irrational number  c) Natural number d) None 4) 2 is ...... Number a) Prime number b) Complex number c) Even number d) None

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