Where do you go to learn how to make ice cream?

Pronounced as 1 letter, And written with 3, 2 letters there are, and 2 only in me. I’m double, I’m single, I’m black blue and grey, I’m read from both ends, and the same either way. What am I?

A network of 20 x 10 squares is given to you.

Can you calculate how many unique squares and rectangles can be formed combining two or more individual squares ?

Rob is taller than Edwin, and Jurgen is shorter than Rob.
Of only one of the following statements, we now certainly know it is correct:

A.Edwin is taller than Jurgen
B.Jurgen is taller than Edwin
C.It cannot be determined if Jurgen or Edwin is the tallest.

How can you drop a raw egg from a height onto a concrete floor without cracking it?

Imagine you are in a room with no windows or doors. How will you get out?

How do you go from 98 to 720 using just one letter?

What do you answer even though it never asks you questions?

You see a mathematical expression in the picture. Can you think of a movie that this expression refers to?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?