Mark 9:28

When Jesus got home and was by Himself, His disciples were asking Him, "Why could not we drive it out?"

Mark 7:17

Now when He had left the crowd and gone home, His disciples were asking Him the meaning of this story.

Matthew 13:10

Then His disciples came up to Him and asked, "Why do you speak to them in stories?"

Matthew 13:36

Then He left the crowds and went into His house. And His disciples came up to Him and said, "Explain to us the story of the wild wheat in the field."

Matthew 15:15

Then Peter said to Him, "Explain the maxim for us."

Matthew 17:19-20

After that the disciples came to Jesus and privately asked, "Why is it we could not drive it out?"

Mark 4:10

When He was by Himself, those who stayed about Him with the Twelve began to ask Him about the stories.

Mark 4:34

He did not tell them anything except by stories, but to His own disciples He kept on privately explaining everything.

Treasury of Scripture Knowledge

Summary

And when he was come into the house, his disciples asked him privately, Why could not we cast him out?

General references

Bible References

Asked

Mark 4:10
When He was by Himself, those who stayed about Him with the Twelve began to ask Him about the stories.
Matthew 13:10
Then His disciples came up to Him and asked, "Why do you speak to them in stories?"
Matthew 15:15
Then Peter said to Him, "Explain the maxim for us."

Why

Matthew 17:19
After that the disciples came to Jesus and privately asked, "Why is it we could not drive it out?"

General references

Matthew 17:19
After that the disciples came to Jesus and privately asked, "Why is it we could not drive it out?"
Mark 10:10
On reaching the house the disciples again asked Him about this.