Number Series 10 20 25 35 40 50 55 70 65 65 70 60 70 60 65 60 75 70 65 65 70 60 70 60 65 60 75 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is an alternating addition series, in which 10 is added, then 5, then 10, and so on.
Number Series 42 40 38 35 33 31 28 25 23 26 24 26 23 26 22 25 22 25 23 26 24 26 23 26 22 25 22 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is an alternating subtraction series in which 2 is subtracted twice, then 3 is subtracted once, then 2 is subtracted twice, and so on.
Number Series Look at this series: 8, 6, 9, 23, 87 , ... What number should come next? 429 226 128 324 429 226 128 324 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 8 11 21 15 18 21 22 25 18 24 21 25 29 25 21 22 26 25 18 24 21 25 29 25 21 22 26 ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is an alternating addition series, with a random number, 21, interpolated as every third number. The addition series alternates between adding 3 and adding 4. The number 21 appears after each number arrived at by adding 3.
Number Series Look at this series: V, VIII, XI, XIV, __, XX, ... What number should fill the blank? XXIII XV XVII IX XXIII XV XVII IX ANSWER EXPLANATION DOWNLOAD EXAMIANS APP This is a simple addition series; each number is 3 more than the previous number.
Number Series 34 30 26 22 18 14 10 8 6 4 0 6 2 14 18 6 4 8 6 4 0 6 2 14 18 6 4 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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