Page 41 - ICSE Math 7
P. 41

3.  Insert a fraction between the given fractions.
                             4      6                      12      13                    5      17
                         (a)    and                   (b)      and                  (c)     and
                             5      13                     35      30                   12      32

                              3
                      4.  Find   of 112 kg.
                              8
                      5.  Express the following fractions in their simplest form.
                                      1                                              1
                        (a) 2 +         1                               (b)  1÷        1
                                 1+      1                                     1–       1
                                    1–     1                                       1+     1
                                       2 –                                            3–
                                           2                                              3

                      6.  Simplify.

                                 4
                        (a)       3 – 2 1    ÷      7  9  –3  1         ÷  1  (b) 3 ×2 ÷  3  3  2 of 6 +  1  15
                                 5  5     10     10    9                4    4   5     4 16


                             44      3    5  1  3                         3       1   2 3  1       3
                        (c)     of   +    1 ÷  +                    (d) 7 +     2 –   ×   –      –1
                             91        8    7  5  7                     4     6     3 4   5        8

                                           2                                               1
                      7.  A wire of length 1  m is divided into three parts. The first part is   m long and the second part
                                           3
                                                                                           3
                           3
                        is   m long. Find the length of the third part of the wire.
                           5
                                                                                                           2
                                                                                        3
                      8.  Sonam and Priya bought a book costing ` 1,300. Sonam paid   and Priya paid   of the total
                        cost price. How much did each of them spend?                    5                  5
                                                                        1
                      9.  Tina’s monthly salary is ` 52,000. She spends   of her salary on house rent. Of the remaining
                                                                        4
                                             1
                                                                                         2
                        amount, she spends   on food and transportation and deposits   in a bank. Find her monthly
                                                                                         3
                                             3
                        expenditure and her savings.
                                                 1
                     10.  A basket had 250 eggs.     of the eggs were thrown as they were rotten. While transporting the
                                                 10
                                                        2
                        remaining eggs to the market,   of them fell and broke. What fraction of the total number of
                                                        5
                        eggs was left in the basket?



                                                              THINK SMART

                      1.  A soccer team is to be selected from a group of 24 players. Of them, one-third is below 16 years
                        of age, one-fourth is in the age group 16 to 18 years and the remaining are above 18 years.

                         (a)   What fraction of players is above 18 years of age?
                         (b)   If all players of age above 18 are selected, how many players are above 18 years of age?
                                                                                                           2
                      2.  A sugar bag contains 30 kg sugar. If the daily consumption of sugar in a family is   kg, for how
                        many days will the sugar bag last?                                                 3


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