Number Series 8 12 9 13 10 14 11 8 5 15 19 15 12 14 11 8 15 8 5 15 19 15 12 14 11 8 15 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: 15, __, 27, 27, 39, 39, ... What number should fill the blank? 23 39 51 15 23 39 51 15 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP In this simple addition with repetition series, each number in the series repeats itself, and then increases by 12 to arrive at the next number.
Number Series 1 10 7 20 13 30 19 40 25 25 31 40 50 26 40 29 36 40 25 25 31 40 50 26 40 29 36 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP Here, every other number follows a different pattern. In the first series, 6 is added to each number to arrive at the next. In the second series, 10 is added to each number to arrive at the next.
Number Series Look at this series: F2, __, D8, C16, B32, ... What number should fill the blank? E4 E3 A16 G4 E4 E3 A16 G4 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP The letters decrease by 1; the numbers are multiplied by 2.
Number Series Look at this series: 8, 6, 9, 23, 87 , ... What number should come next? 324 128 429 226 324 128 429 226 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 Look at this series: (1/9), (1/3), 1, ____ , 9, ... What number should fill the blank? 3 6 27 (2/3) 3 6 27 (2/3) ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a multiplication series; each number is 3 times the previous number.
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