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
2.
3.
4.
5.
6. Is zero a rational number ? Can you write it in the form pq , where p
and q
are integers and q≠0
?
7.
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