You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

John and his wife were living in a rural place. On a particular day, John's wife fell ill and he called the local doctor. When the doctor picked up, he said, "Doctor, my wife is ill. She might have appendicitis."

"This can't be possible! I took out her appendix two years ago myself," the doctor explained.

When diagnosed, John's wife was found to have appendicitis. How can this be possible?

The following "Brain Bat" means Slow Down.
S
L
O
W

Using the same logic, can you tell us what does the following Brain Bat means ?
E
V
I
G

what does the below rebus mean?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

What English word has three consecutive double letters?

What word is pronounced the same if you take away four of its five letters?

Which alphabet letter is a question?

What work can one never finish?

What kind of storm is always in a rush?