Can you identify the hidden rebus in the image below?

Replace the question mark with the number below given a simple math problem.

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Can you Find and name the hidden bird in the picture below ?

Can you fill the blank with the correct number?

6 30 870 756030 _____

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?

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

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?