Which pair of numbers comes next 13 29 15 26 17 23 19
21 23
20 21
20 17
25 27
22 20
Correct Answer : B
Look at this series: 15, __, 27, 27, 39, 39,...What number should fill the blank?
Which pair of numbers comes next 7 9 66 12 14 66 17
Which pair of numbers comes next 32 31 32 29 32 27 32?