Number Series Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next? 7 15 14 10 7 15 14 10 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This alternating addition series begins with 3; then 1 is added to give 4; then 3 is added to give 7; then 1 is added, and so on.
Number Series Look at this series: 21, 9, 21, 11, 21, 13, 21, ... What number should come next? 14 21 15 23 14 21 15 23 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In this alternating repetition series, the random number 21 is interpolated every other number into an otherwise simple addition series that increases by 2, beginning with the number 9.
Number Series 8 12 9 13 10 14 11 8 15 14 11 15 12 15 19 8 5 8 15 14 11 15 12 15 19 8 5 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is an alternating addition and subtraction series, in which the addition of 4 is alternated with the subtraction of 3.
Number Series Look at this series: 36, 34, 30, 28, 24, ... What number should come next? 20 26 23 22 20 26 23 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is an alternating number subtraction series. First, 2 is subtracted, then 4, then 2, and so on.
Number Series 2 8 14 20 26 32 38 2 46 40 42 42 48 32 26 44 50 2 46 40 42 42 48 32 26 44 50 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple addition series, which begins with 2 and adds 6.
Number Series 34 30 26 22 18 14 10 6 4 8 6 4 0 6 2 14 18 6 4 8 6 4 0 6 2 14 18 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple subtraction series, in which 4 is subtracted from each number to arrive at the next.
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