NUMBER SYSTEM  CLASS : IX

                                                                        SECTION = A

1. Which of the following  is irrational ?

            (a)  49            (b)   123          (c)    81         (d)   7

1. Find the value of :    (i) (125)-1/3    (ii)  5-25+2  (iii) (256)0.16×(256)0.09 

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6. Is zero a rational number ? Can you write it in the form pq , where p and q are integers and q≠0 ?

7.