If It took 15 people 20 hours to build a wall, how long would it take 24 people to build a same barn

What goes through the cities and fields, but never moves?

What starts with a P, ends with an E and has thousands of letters?

With the numbers123456789 make them add up to 100.They must in the same order.U can use addition,subtraction,multiplication and division.Remember,they have to stay in the same order.

What has no hands but might knock on your door, and if it does you better open up

I have a big mouth and I am also quite loud.I am NOT a gossip but I do get involved with everyone ‘s dirty business.What am I?

What common word has 4 vowels. ,one after the other?

In which sports do winners move backwards and losers move forwards?

What has 88 keys but can’t open a single door

I fly around all day but never go anywhere.What am I?

What building has the most stories

You can break me easily without even touching me or seeing me. What am I?

You can you serve me but never eat me. What am I?