Question

Insert the missing number
2,8,5, 6, 8, ?, 11,​

Answer 1

Answer:

4

Step-by-step explanation:

alternative numbers

5-2=3

8-5=3

11-8=3

8-2=6

6-2=4

Answer 2

Answer:

Hence, the missing number is 4.

Step-by-step explanation:

This series is a hybrid of two series.

2,5,8,11 in the I series

2+3=5

5+3=8

8+3=11

and so forth

The second series:

?,8,6,?

here 8-2=6

as a result, the next number must be

6-2=4, so the second?=4

and what about the first? must equal 8+2=10

Thus, the final series is:

 2 8 5 6 8 4 11,2

• A series is the cumulative sum of a given sequence of terms in mathematics. These terms are typically real or complex numbers, but they can be much more general.
• the series formula
• A sequence's series is the sum of the sequence up to a certain number of terms. It is frequently abbreviated as Sn. So, if the sequence is 2, 4, 6, 8, 10,..., the sum to three terms equals S3 = 2 + 4 + 6 = 12. Sigma Notation

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