If the second term of a geometric progression is 2 and the sum of the series to infinityis 8, then the first term is
5
2
4
1
Correct Answer : C
Look at this series: 15, __, 27, 27, 39, 39,...What number should fill the blank?
Which pair of numbers comes next 13 29 15 26 17 23 19
Which pair of numbers comes next 7 9 66 12 14 66 17