What does this mathematical rebus means ?

On a certain day, John celebrated his birthday. Two days later, his older twin brother Jacob celebrated his birthday.

Is this even possible? How can it be?

what one word does the below rebus identifies?

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

What Does this text mean:

important=important

Today, I celebrated my 32nd birthday but I was born in 1972.
How is this possible?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

Find The Next Number in the series:

12 13 15 17 111 113 117 119 123 ?