Question

look at the series ; 7,10,8,11,9,18_______ what number should come next​

Answer 1

Answer:

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Step-by-step explanation:

question must be :

Look at this series: 7, 10, 8, 11, 9, 12, . .

What number should come next

solution:

This is a simple alternating addition and subtraction series.

In the first pattern, 3 is added;

In the second pattern, 2 is subtracted.

Rule =(1st number) (1st number + 3 = 2nd number) (2nd number - 2 = 3rd number) (3rd number + 3 = 4th number)

Now (7) (7 + 3 = 10) (10 - 2 = 8) (8 + 3 = 11) (11 - 2 = 9) (9 + 3 = 12) (12 - 2 = 10)...

So the answer is b = 10.

Answer 2

Answer:

I think .........7+3=10

Step-by-step explanation:

10-2=8

8+3=11

11-2=9

9+3=12

12-2=10

the series is of +3 then -2

at the place of 18 , 12 is correct

then the answer is 10

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