Number seriesOnline version Number series - logical reasoning by Yuvashree Murugadoss 1 Look at this series: 2, 1, (1/2), (1/4), ... What number should come next? Written answer 2 Look at this series: 7, 10, 8, 11, 9, 12, ... What number should come next? a 7 b 10 c 12 d 13 3 Look at this series: 36, 34, 30, 28, 24, ... What number should come next? a 20 b 22 c 23 d 26 Feedback 1 This is a simple division series; each number is one-half of the previous number. In other terms to say, the number is divided by 2 successively to get the next result. 2 This is a simple alternating addition and subtraction series. In the first pattern, 3 is added; in the second, 2 is subtracted. 3 In this simple alternating subtraction and addition series; 1 is subtracted, then 2 is added, and so on.
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