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CBSE

Subject

Mathematical Operations And Symbol Notations

Multiple Choice Questions

1.  

some equations are solved on the basis of the certain system.Find the correct answer for the unsolved equation on that basis.

5 x 4 x 3 = 70
6 x 5 x 4 = 140
7 x 6 x 5 = ?



    2.  

    If 12 (20) 16 and 21 (35) 28, then what is value of A in 48 (80) A ?



      3.  

      A*B means multiply A by B; [email protected] means divide A by B, A ? B means add B to A and A=B means subtract B from A. Then find the value of 10*10 = 5*10 ? 50 @10.



        4.  

        If '+' stands for "multiplication", '-' stands for "addition", 'X' stands for "division" and '÷' stands of "subtraction", then which one of the following equation is correct?



          5.   Some equations are solved on the basis of a certain system. Find the correct answer for the unsolved equation on that basis.
                              2 * 3 = 17;  3 * 4 = 145; 5 * 2 = ?


            6.  

            If 'x' means 'addition', '-' means 'division','÷' means 'subtraction' and '+' means 'multiplication', then which of the equation is correct?



              7.  

              In the following question, correct the equation by interchanging two signs.

              6 + 8 ÷ 4 – 4 = 8



                8.  

                If ' * ' means subtraction ; ' - ' means division , ' □ ' means addition and ' % ' means multiplication, then find the value of: 13 □ 3 * 6 % 8 - 4 □ 14 = ?



                  9.  

                  If ' -' means 'x', 'x' means '+', '+' means '÷' and '÷' means '-', then what will be the value of 

                  40 x 12 + 3 - 6 ÷ 60 =?



                    10.  

                    If X means +, + means ÷, - means x and ÷ means -, then 
                    8 x 7 - 8 + 40 ÷ 2 = ?



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