Number Series Look at this series: 8, 6, 9, 23, 87 , ... What number should come next? 429 226 324 128 429 226 324 128 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP 8 x 1 - 2 = 6 6 x 2 - 3 = 9 9 x 3 - 4 = 23 23 x 4 - 5 = 87 87 x 5 - 6 = 429 ...
Number Series 9 12 11 14 13 16 15 14 13 18 17 12 13 18 21 14 17 14 13 18 17 12 13 18 21 14 17 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple alternating addition and subtraction series. First, 3 is added, then 1 is subtracted, then 3 is added, 1 subtracted, and so on.
Number Series Look at this series: 3, 4, 7, 8, 11, 12, ... What number should come next? 10 14 7 15 10 14 7 15 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: 22, 21, 23, 22, 24, 23, ... What number should come next? 25 26 24 22 25 26 24 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.
Number Series Look at this series: 14, 28, 20, 40, 32, 64, ... What number should come next? 52 128 56 96 52 128 56 96 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is an alternating multiplication and subtracting series: First, multiply by 2 and then subtract 8.
Number Series Look at this series: 4, 7, 25, 10, __, 20, 16, 19, ... What number should fill the blank? 28 20 13 15 28 20 13 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Two series alternate here, with every third number following a different pattern. In the main series, 3 is added to each number to arrive at the next. In the alternating series, 5 is subtracted from each number to arrive at the next.
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