Hi there. Help with a math problem

[Oleg Mitrofanov]

Help me with a problem: what is the extra number in the logical series is 2901534687 {"E}?

 

[pka]

Help me with a problem: what is the extra number in the logical series is 2901534687 {"E}?

Here is one answer.

 

[JeffM]

Help me with a problem: what is the extra number in the logical series is 2901534687 {"E}?

Who says there is a unique answer? If it is your teacher, your teacher is a fool.

 

[Dr.Peterson]

What is the extra number in the logical series is 2901534687 {"E}?

I don't think there is a valid question here, much less an answer. The grammar is wrong ("is" in two places), the word "series" is inappropriate (as there is either a single number, or perhaps a sequence of digits, not a summation), the word "extra" is not explained, and the symbols at the end, {"E}, are meaningless.

Can you explain what the question means, as you interpret it?