Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

Which Burger Is Different in below image?

I went to the bookshop and spent one-half of the money that was in my purse.

When I came out, I found that I had as many cents as I had dollars and half as many dollars as I had cents when I went in. Find the money in my purse when I entered the store.

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

What three numbers, none of which is zero, give the same result whether they’re added or multiplied?

Can you fill the blank with the correct number?

6 30 870 756030 _____

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

If we tell you that there is a relation between the numbers and letters in the given figure, can you analyze it and find the missing letter in the last box?

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

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain