What does this rebus puzzle means ?

What is at the end of a rainbow?

What makes this number unique: 8,549,176,320?

what's the probability of getting a king or a queen from a pack of 52 cards?

Only one colour, but not one size,
Stuck at the bottom, yet easily flies.
Present in sun, but not in rain,
Doing no harm, and feeling no pain.
What is it?

We know that the number 7 is the prime followed by a cube. Which next number is also a prime followed by a cube?

I am soft and cuddly that soothe your heart. But, If you pick my last name I am going to tear you all apart. Who am I?

Below, you can see three complete equations and one incomplete. Based on the three complete ones, can you complete the incomplete one?

5 $ 4 $ 3 $ 9 = 4215
6 $ 9 $ 2 $ 6 = 3816
4 $ 7 $ 3 $ 3 = 1122
7 $ 2 $ 7 $ 4 = ____

What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

What is next number in the pattern below:

131 517 192 123 ?