Page 166 - Mathematics_Form_Two
P. 166

Sets


           25.  Out of 31  women  participants  in       (b) When two classes meet  at the
               a gender equality  seminar, some              same hour.
               said  they  advocate  women's rights   28.  In a workforce of 80 employees,
               and some have received  higher              15 have undertaken a skills
               education.   If   22    participants        development program and 25
          FOR ONLINE READING ONLY
               advocate  women’s rights, 20 have           are currently employed. If 10
     Mathematics for Secondary Schools  neither  advocate  women’s rights   development training and are
               received  higher education and 5
                                                           employees  have undergone skills

               nor have received higher education.
                                                           employed:
               Calculate the number of participants
                                                           (a)  Draw a Venn diagram
               who advocate women’s rights and
                                                               to represent the given
               have higher education.
                                                               information.
           26.  In a group of 60 people, 27 like coffee    (b)  Use the Venn diagram in (a) to
               and 42 like tea and each person likes           find:
               at least one of the two drinks. How             (i)  The number of employees
               many people like both coffee and tea?                who have undertaken


           27.  There are 35 students in an art class               a skill development
               and 57 students in a dance  class.                   program and are not
               Find the number of students who are                  currently employed.
               either in art or dance classes;                 (ii)  The number of employees
               (a) When two classes meet at                         who have either have
                  different  hours  and  12  students               taken a skill development

                  are enrolled in both activities.                  program nor employed.





























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