Mark 9:28

And when he had come into the house, his disciples asked him privately: Why were we not able to cast it out?

Mark 7:17

And when he had gone into the house, away from the multitude, his disciples asked him about the dark saying.

Matthew 13:10

And the disciples came and said to him: "Why dost thou speak to them in parables?

Matthew 13:36

Then Jesus left the multitudes, and went into the house. And his disciples came to him and said: Explain to us the parable of the tares of the field.

Matthew 15:15

But Peter answered and said to him: Explain to us this dark saying.

Matthew 17:19-20

Then the disciples came to Jesus privately, and said: Why were we not able to cast him out?

Mark 4:10

And when he was alone, those who were about him, with the twelve, asked him the meaning of the parable.

Mark 4:34

But without a parable he did not speak to them; but when alone, he explained all things to his disciples.

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
And when he was alone, those who were about him, with the twelve, asked him the meaning of the parable.
Matthew 13:10
And the disciples came and said to him: "Why dost thou speak to them in parables?
Matthew 15:15
But Peter answered and said to him: Explain to us this dark saying.

Why

Matthew 17:19
Then the disciples came to Jesus privately, and said: Why were we not able to cast him out?

General references

Matthew 17:19
Then the disciples came to Jesus privately, and said: Why were we not able to cast him out?
Mark 10:10
And in the house, his disciples again asked him about the same matter.