what does this picture(rebus) riddle means ?

If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

He loves to dance, twist and prance, he shakes his tail, and as a way he sails, wingless he flies into the sky. What is he?

Rahul decided to meet Simran so he boards a local train from Bombay station. Just after the station, there is a 1km long tunnel. The train starts and is now accelerating. Rahul is a claustrophobic guy, so what is the best position for him to sit?

If you say my name, I will no longer exist. What am I?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

In this image, you can see three almost identical Doraemon images. Can you spot the odd one out from them?

What number should come in place of the question mark below?

John leaves home and then he takes three right turns. John wants to return to home but he was scared of Jacob, who is wearing a mask.

What is John Situation ?

What does this Rebus Picture mean?