series

Fill in the missing numbers:

1,2,6,24,-----

Answer:

1                              2                              6                              24                           ----                        

1x2                         2x3                         6x4                         24x5

Therefore,  24 x 5 = 120  Answer

series

Fill in the missing numbers:

2,7, --------, 23, 34, 47

Answer:

2                              7                              -----                        23                           34                           47

5                              7                              9                              11                           13 (47 – 34)

Therefore,  7 + 7 = 14  Answer

series

Fill in the missing numbers:

4, ------, 20, 37, 60, 89

Answer:

4                              ----                         20                           37                           60                           89

5                              11                           17                           23                           29

                6                              6                              6                              6

Therefore,  4 + 5 = 9  Answer

series

Fill in the missing numbers:

15,16,19,28,55 .........

Answer:

15                           16                           19                           28                           55                           .....

1                              3                              9                              27                           91

Therefore,  55 + 91  =  146  Answer

series

Fill in the missing numbers:

48, 36, 25, 15, .........

Answer:

48                           36                           25                           15                           .....

     (48 – 36) =12                 11                           10                           9    

Therefore,  15 – 9 = 6  Answer