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17      15              2      6
                5.  Find the difference of:  (a)    and              (b)   and
                                                 24      16              3      7
                                   1                    3                                1
                6.  Sandhya buys 1  kg of apples and 1  kg of oranges. She also buys 1  kg of guavas. Find the total
                                    2                   8                                4
                    weight of the fruits with her.
                                 1                                    3
                7.  Sonia had 11  L of oil in her kitchen. She used  6  L of it. Find the quantity of oil left with her.
                                 2                                    4
                     Miscellaneous Solved Examples


              There are four options (Q. 1 to Q. 7), out of which only one is correct. Choose the correct option.
                                                       4
                Ex 1.  The fraction which is not equal to   is
                                                       5
                          40                     12                      16                       9
                     (a)                    (b)                      (c)                     (d)
                          50                     15                      20                      15
                             9   3                            4
                Sol. (d)      =    and all others are equal to
                            15   5                            5
                                                                              5
                Ex 2.  The two consecutive integers between which the fraction   lies are
                                                                              7
                     (a)  5 and 6           (b)  0 and 1             (c)  5 and 7            (d)  6 and 7
                Sol. (b)   Proper fractions lie between 0 and 1.
                             1
                Ex 3.  When   is written with a denominator of 12, the numerator is
                             4
                     (a)  3                 (b)  8                   (c)  24                 (d)  12
                                  ×
                Sol. (a)    1  =  13  =  3
                            4   43     12
                                  ×
                Ex 4.  Which of the following is not in the lowest form?
                          5                      15                      13                      27
                     (a)                    (b)                      (c)                     (d)
                          7                      20                      33                      28
                Sol. (b)   HCF (15, 20) = 5 ≠ 1
                Ex 5.  Which of the following fractions is the greatest?
                          5                      5                       5                       5
                     (a)                    (b)                      (c)                     (d)
                          7                      6                       9                       8
                Sol. (b)   In unlike fractions with equal numerators, the fraction with the lowest denominator is the greatest.
                      11
                Ex 6.     can be expressed in the form
                       7
                     (a)  7  1              (b)  4  1                (c)  1 4                (d)  11 1
                           4                      7                       7                         7
                Sol. (c)   When 11 is divided by 7, quotient  is 1 and remainder is 4.
                                           4
                Ex 7.  The mixed fraction 5  can be expressed as
                                           7
                          33                     39                      33                      39
                     (a)                    (b)                      (c)                     (d)
                          7                      7                        4                       4
                                              Whole Number ×    Denominator +Numerator            39
                Sol. (b)   Using the formula                                             , we get   .
                                                              Denominator                          7


              210     Mathematics-6
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