Can you solve below mathematical equation?

2^1234 - 2^1233

The centre of the third figure is empty. What digit should fit inside?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Which is the smallest number that you can write using all the vowels exactly once?

There was once a troop of 5 elves. The 5 elves were very dedicated on finding the magical treasure of 1000 coins. However, being elves, they were super geniuses, very greedy and they did not hesitate in taking lives of other elves. The 5 elves were named Aye, Bee, Cee, Dee and Ee, ranked from high to low respectively, from Aye to Ee. One fine day, their efforts brought results and they found 1000 coins. Now they had to split it in between them as per their ranks. The lowest ranked elf has to make the proposal. If the proposal is accepted by majority, it is agreed, or the suggesting elf is killed.

What proposal should elf Ee make ?

John can fit six large chocolate boxes or nine small chocolate boxes into a carton. How many cartons will he require to put sixty-six chocolate boxes into?

If Bihan is 10, Anirudha is 20, and Kim and Seal are both 5, but Rikold is 10, how much is Kenniger by the same trend?

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

Decode below rebus
D
N
A
T
S , D

Can you decipher the following common phrase?

T M C
A U O
H S M
W T E