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Number Patterns Questions

Mathematics
Tutor: None Selected Time limit: 1 Day

Select the number that continues the pattern 3, -6, 12, 4, 20?

13

14

6

20

Apr 4th, 2015

The pattern is -9/+18/-8/+16/

Therefore, the answer is 13 because

 -9/+18/-8/+16/-7/

Choose 13 as your answer

If you need more help, please ask. 

Apr 3rd, 2015

what if 16 was added to the choices, would that make a difference?

Apr 3rd, 2015

No, because at each action l you subtract, then add and subtract  by intervals of +1/-2


Apr 3rd, 2015

action * you


Apr 3rd, 2015

can I ask you 3 more? promise that is all

Apr 3rd, 2015

You can ask me as many as you want. I am here to help :) 

Apr 3rd, 2015

Select the number that continues the pattern 7, 21, 8, 72, 9?

81

243

123

136

Apr 3rd, 2015

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Apr 4th, 2015
May 29th, 2017
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