Page 24 - Concepts of Reasoning-8
P. 24

UNIT-2 : QUANTITATIVE ANALYSIS                                   CHAPTER


            Worksheet-1.1                                        rational numbers                              1





                          Rational Numbers, Representation of Rational Numbers on a Number
                        Line, Density of Rational Numbers and Operations on Rational Numbers


            1.  State whether the following statements are true or false :
                       7    8
                 a.    >     7                                               (     )
                       8
                                             –3      1
                 b.  The standard form of           is      .                (     )
                                            –15      5
                       –32
                 c.              is a positive rational number.              (     )
                      –158
                     15     8
                 d.        =        .                                        (     )
                      8     12
            2.  Represent the following rational numbers on a number line :

                 a.    2
                       5


                            –9 –8 –7 –6 –5 –4 –3 –2 –1 0  1                  2    3   4    5   6   7    8   9

                         5
                 b.  –
                         4



                            –9 –8 –7 –6 –5 –4 –3 –2 –1 0  1                  2    3   4    5   6   7    8   9

            3.  Answer the following :
                                                                2
                                                                        1
                 a.  Find any two rational numbers between       and       .
                                                                5       6
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                                3
                 b.  Subtract       from (–3).
                                8
                      ___________________________________________________________________________

                      ___________________________________________________________________________
                      ___________________________________________________________________________

                            68     4
                 c.   Find        ÷
                            45     5
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