Page 245 - Maths Skills - 8
P. 245

Practice Paper for Safal Examination - 2025                                                             7

          3.  When arranged for dance, numbers of students are equal to  [1]

               (a)  Numbers of columns
              (b)  numbers of rows
               (c)  Numbers of classes

              (d)  product of number of column and number of rows
          4.  Number of students in each row of the square  [1]

               (a)  81                   (b)  75                  (c)  89                  (d) none of these

                                                    Case Study - 10


        Orphanages owners often need extra support. By helping organisations to take on more children and provide
                                                                                                       2  1 
        batter quality care, we can have good impact on the society. For this purpose Sonia donated `  x +  2   to an
                                                                                                     
                                                                                                          x 
        orphanage children. Her friend Shalini wanted to know the amount donated by her. Sonia did not disclose the
                                           1
        amount but she gave a clue that  x +   = ` 8.
                                           x

        Based on the given information answer the following questions.
          1.  The amount donated by Sonia to orphanage children  [2]

               (a)  ` 62                 (b)  ` 64                (c)  ` 8                 (d) ` 60

                                 1  2
          2.  The formula of  x +     is  [1]
                             
                                 x 
                                                                        2
                     2
               (a)    x +  1  − 2        (b)  x +  2  1  +  2     (c)  x +  1              (d) none of these
                         x 2                       x 2                     x 2
                    1                               2   1
          3.  If  x −  = 5 , then what is the value of  x +    [1]
                    x                                   x 2
               (a)  23                   (b)  25                  (c)  27                  (d) none of these

          4.  The value of the expression (x + y)  + (x – y)  is  [1]
                                               2
                                                        2
               (a)  2xy                  (b)  2 (x  + y )         (c)  4xy                 (d)  x  + y 2
                                                 2
                                                                                                2
                                                     2
   240   241   242   243   244   245   246   247   248