Can you solve below mathematical equation?

2^1234 - 2^1233

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

One of the leprechaun is missing if you see the two pictures attached to this question. Where did he go? When he comes back, do you know where has he been?

For this puzzle, you might have to find logic in something illogical. But hey, it's fun and a healthy little break from your strenuous puzzle-solving sessions.

Can you decipher the meaning in the following cluster of letters?

ITIT,NCENTCENT

What is the below Rebus indicate?

Buy me, smell me or deliver me, I do not change.

Who am I?

Replace the question mark with the correct number in the below-given picture?

You throw me out when you want to use me and you take me in when you don't want to use me.

Who Am I?

If eleven plus two equals one, what does nine plus five equal?

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?