I am white when I am dirty, and black when I am clean. What am I?

What famous saying does this rebus mean?

COME SERVED <---
COME SERVED
COME SERVED
COME SERVED
COME SERVED

Complete the table series riddle by finding the number that can replace "??".

Can you Find and name the hidden bird in the picture below ?

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

What does this below rebus puzzle mean?

Three ants are sitting at the three corners of an equilateral triangle. Each ant starts randomly picks a direction and starts to move along the edge of the triangle. What is the probability that none of the ants collide?

Use the numbers 2, 3, 4 and 5 and the symbols + and = to make a true equation. Conditions: Each must be used exactly once and no other numbers or symbols can be used.

Identify the movie name through below Rebus containing Pi Mouse and coconut tree..

John is the son of Jacob.
So,
Jacob is the_____of John's father?