Can you solve below mathematical equation?

2^1234 - 2^1233

What have one eye but still cannot see?

If 1+9+8=1, what is 2+8+9?

Out of four images which one is the odd one out?

During which month do people sleep the least?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

If,

Akriti = 631
Levis = 521
Sroti = 521
Aneel = 533
Then,
Sunil =?

Can you calculate the probability of getting a sum of six when a dice is thrown twice?

He runs but never walks. Murmurs, but never talks. Has a bed, but never sleeps. And has a mouth, but never eats?

Can you find out which number multiplied by itself will give the output as 12345678987654321?