Page 102 - Maths Skills - 7
P. 102

100                                                                                                  Maths



         SUBJECTIVE TYPE QUESTIONS                                 3.   A shirt is priced ` 225. If the price of shirt is
                                                                      reduced by 8%, find its net price.
        F. Solve the following word problems
                                                                   4.   Nishant’s salary was  ` 9000 per month. His
           1.   Amar obtained 420 marks out of 500 in CBSE            salary is increased by 5%. How much  does he
               XII class examination while his sister Sunita got      get now?
               536 marks out of 600 in IX class examination.       5.   A basket contains 450 eggs. If 16% of the eggs
               Find whose performance is better.                      are rotten, find the number of remaining eggs.
           2.   Out of an income  of  ` 16000, Raman spends
               ` 10400.  What  per cent  of his income  does
               he save?




                                                INTEGRATED QUESTION


        G. Statistics Vs Maths
        In a school, 600 students were surveyed to find out about their favourite
        sport. The result is shown in the circle graph. Use the given data to Answer
        the following questions—                                                        4% Golf       10% Hockey

            1.  What fraction of children have cricket as their favourite sport?      6% Baseball
                                                                                             12% Football
            2.  What is the number of children that like playing Hockey?               14% Basket      30% Cricket

            3.  Last year 160 students liked playing cricket the most. Is there an     Ball
                increase or decrease in number of students liking cricket? Find the
                increase or decrease percent.                                                 24% Chess

            4.  Find the number of children whose favourite sport is:
                Football    Cricket    Chess   Hockey



                                                            HOTS

           1.  By selling a mobile phone for ` 4,000, a person loses 15%. For what amount should he sell it so that he
               gains 10%?
           2.  A sum of money amounts to ` 4,480 at 6% simple interest per annum at the end of 2 years. Find the
               principal.

                                                               1
           3.  Karan borrowed ` 1,500 from a financer. After 3  years he paid ` 2,655 to the financer and cleared the
                                                               2
               accounts. Find the rate of interest charged.
           4.  If you add 10% of a number to itself, what percent of the new number should be subtracted to get the
               original number back?



             Word Stock
          Percent           Ratio             Profit           Loss              Interest          Proportion
          Rate              Selling Price     Cost Price       Principal         Annual            Transaction
          Borrower          Lender            Amount           Gain
   97   98   99   100   101   102   103   104   105   106   107