I'm having problems with number series strategy

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c    Can you help me step by step with solving number series strategy

Aug 25th, 2015

Thank you for the opportunity to help you with your question!

To solve number series questions , you must critically look at the series and attempt to estimate what rule the series is taking

Example

Consider the following series: 26, 21, , 11, 6.  What is the missing number

To solve such a question you must critically analyse the series.

for example I can see that my series is decreasing and that subtracting adjacent numbers in the series yields 5.

26-21 =5 and 11-6 =5

therefore, to find the missing number we subtract 21-5 =16

Example 2

 3, 6, 12, 24, find the next term in the series.

looking critically at the series shows that each number is a multiple of 3. such that 

3= 3*1

6=3*2

12=3*4

24=3*8

x= 3*16 = 48


Please let me know if you need any clarification. I'm always happy to answer your questions.
Aug 25th, 2015

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