This Bible contradiction is from the Skeptic's Annotated Bible.

Verses

Ten

John 20:24 View context

But Thomas, one of the twelve, called Didymus, was not with them when Jesus came.

Eleven

Matthew 28:16-17 View context

Then the eleven disciples went away into Galilee, into a mountain where Jesus had appointed them.

And when they saw him, they worshipped him: but some doubted.

Mark 16:14 View context

Afterward he appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen him after he was risen.

Mark 16:14 View context

Afterward he appeared unto the eleven as they sat at meat, and upbraided them with their unbelief and hardness of heart, because they believed not them which had seen him after he was risen.

Luke 24:33-37 View context

And they rose up the same hour, and returned to Jerusalem, and found the eleven gathered together, and them that were with them,

Saying, The Lord is risen indeed, and hath appeared to Simon.

And they told what things [were done] in the way, and how he was known of them in breaking of bread.

And as they thus spake, Jesus himself stood in the midst of them, and saith unto them, Peace [be] unto you.

But they were terrified and affrighted, and supposed that they had seen a spirit.

Twelve

1 Corinthians 15:5 View context

And that he was seen of Cephas, then of the twelve: