Math Grade 10

1.  A, C, E, G, I, ___

             

•    A. J                                        

• B. K                                      

•   C. B                                         

• D. L       

2.  15, 10, 14, 10, 13, 10, ___

              

• A. 10                                       

• B. 11                                        

• C. 12                                     

• D. 13

3.  3, 6, 12, 24, 48, 96, ___

              

• A.190                                      

• B. 120                                     

• C. 192                                  

• D. 182

4.  27, 30, 33, 36, 39, ___

               

•                 A. 40                                

•       B. 42                     

•                 C. 32         

•                    D. 30

5.  What is the next number in the series , 720, 360, ____ 30, 6?

                

•    A. 180                                  

•   B. 120                                  

• C. 90                                    

•   D. 60

6. Find the first five terms of the sequence a_n = 3n - 11

              

• A. 8, 11, 14, 17,20                 

•  B. -8, -5, -2, 1, 4             

•  C. 3, 6, 9, 12, 15      

• D. 11, 22, 33, 44, 55 

7. What is the common difference in the arithmetic sequence -32, -21, -10, 1, 12,?

 

                           

• A. 11                                    

• B. -11                                     

• C. 12                         

• D. -12

8. . What number is added every after each number to obtain the succeeding      numbers in the sequence  9, 15, 21, 27,….?

                            

• A.  8                                      

• B.  7                                     

•   C.  6                          

• D.  -5 

9. What is the geometric mean of 2 and 8?

• A.    8  

•  

  B.    5  

• C. 3

• D. 4

10. Which of the following sequences where every term after the first is obtained       by adding a constant called the common difference?

• A.  Arithmetic                      

•     B. Fibonacci    

• C. Geometric            

•    D. Harmonic