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Maths IX D

Mrs.V P Susheela TGT Maths
Date of submission: 27 June 2011
 
1. Find 5 rational numbers between 1 & 2.
 
2. FInd the two rational numbers between 1/3 and 1/2
 
                           2                       2
3. Is ( 5+ )  +  ( 5 – )    a rational number ? Justify
 
4. Write the following number in decimal form :
a) 17/90
b) 1/370
 
5. Convert the following into a rational number ( p/q ) form :
        _
a) 0.18
       ___
b) 0.037
 
6. Simplify the following surd :
 
a)    _________30_______
       5 -     3\scriptstyle \sqrt {5}
 
7. Simplify and express with positive indices :
 a) 3 raised  1/4  divided by 27 raised to 2/3
b) 9 raised to 3/2 divided by (243) raised to -2/3
 

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