what does the below math rebus puzzle mean?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What can you catch but never throw?

What do you see in the image below

The doctor advised his patient to take a tablet after every fifteen minutes. He gave him five tablets in total.

How much time will he take to have all the five tablets?

Can you name any English verb that becomes its past tense by simply rearranging the alphabets ?

Once upon a time, there was a castle on a square island. The entire island was surrounded by a 14m wide trench. The Romans had wanted to invade the castle and had brought a few wooden planks along with them to facilitate themselves in crossing the moat. The planks were however found to be only 13m long.

The Romans still managed to cross the trench. How did they do it?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?

Something Extraordinary happened on May 6th 19778 at 12:34am what was that?

Replace the question mark with the number below given a simple math problem.