What does below Rebus say?

XLR8

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

The first person saw the bridge step on it and crossed,
the second person saw the bridge did not step on it but crossed,
the third person did not see the bridge did not step on it but crossed.
Who are these people?

Can you convert the number zero(0) into a positive number using just one mathematical operator ?

I cannot talk, but I always reply when spoken to. What am I?

Manish has to secure 40% marks to pass his B.tech final exams.
He got just 40 marks and failed by 40-marks.

What is the maximum marks?

I am lying and I always lie. Tell me whether I am lying or telling the truth.

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

By using 'because' continuously three times, can you make an English statement ?

What's the best place to go shopping in the ocean?