How can one talk without saying a single word?

What does this say?

XLR8

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?

what one word does the below rebus identifies?

Before the start of the car race, John and Jacob have the same amount of fuel in their car. With this fuel, John can drive for 4 hours while Jacob can drive five hours.
After a time they realize that the amount of fuel left in John's car is 1/4th of the fuel in Jacob's.

For how long they are racing?

The picture shows the dice results in each couple of throws. If they are actually following a pattern, can you find out the missing one?

John said, "If yesterday was tomorrow, today would be Friday."

When did John make this statement?

Look at this sequence from top to bottom. What is the next number in the sequence?
1
11
21
1211
111221
312211

What has six faces, but does not wear makeup, has twenty-one eyes, but cannot see?

What do you think with the below Picture ?