#Sequences math question series#

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Identify the type of number sequenceĪs outlined above, there are a number of sequences that are common on standardized tests, and identifying the sequence in play is often the hardest part of number sequence questions. There are a few strategies that you can utilize when taking a number sequence test. This is a multiplication sequence of 2 with 15 being an irrelevant number in the sequence. Question: What number should be included in this sequence? 22, 2, 22, 4, 22, 8, 22Īnswer: 16.

This is an addition sequence of 4 with 15 being an irrelevant number in the sequence. Question: What number comes next in the series? 8, 15, 12, 15, 16, 15Īnswer: 20.

#Sequences math question series#

Sometimes numbers in a series are included in a sequence for no purpose at all. This is an alternating subtraction then multiplication sequence. Question: What number should be included in the gap in this number sequence? 32, 20, 40, 28, _, 44.Īnswer: 56. This is an alternating addition then division series. Question: What number comes next in the sequence? 249, 254, 127, 132Īnswer: 66. For example, the first number may be added by 5, then divided by 2, then added by 5, then divided by 2, and so on. Quite often a series will switch between adding, subtracting, multiplying or dividing by a given number. Each number is multiplied by 4 then divided by 2. Question: What number comes next? 2, 8, 4, 16, 8Īnswer: 32. Each number in the sequence is divided by 3.

Question: What number comes next? 3, 9, 27, 81Īnswer: 243. Numbers may be divided or multiplied in a set or alternating series. Question: What number comes next? 48, 42, 36, 30.Īnswer: 24 – Each number in the sequence is reduced by 6 Division & Multiplication Series Each number in the sequence increases by 10 Question: What number comes next? 11, 21, 31, 41.Īnswer: 51. These are one of the simplest and easiest to identify in a number series, where numbers are added or subtracted in a set order. The following are some number sequence examples that commonly appear on aptitude tests, going from simplest to more complicated. You can keep these number patterns in the back of your head, which will make it easier to identify the number sequence and solve the problems faster.

Luckily, many questions follow numerical patterns that you can identify with practice. Number sequence questions are featured on a wide range of aptitude tests such as the GCSE and Wonderlic.