How can you write nineteen in a manner that if we take out one, it becomes twenty?

Can you guess the name of the month by looking the below rebus ?

What is so fragile that saying its name breaks it?

A car is crossing a 20 km-long bridge. The bridge can support at most 1500kg of weight over it. If somehow, the weight on the bridge becomes more than that, it will break.

Now, the weight of the car is exactly 1500kg. At the midway, a bird comes and sits on the roof of the car. This bird weighs exactly 200 grams.
Can you tell if the bridge breaks at this point or not?

Baseball bat and ball cost $100. If the bat cost $99 more than the ball, what is the cost of each?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

I shave every day, but my beard stays the same. What am I?

Can you find out the remainder when 3^300 is divided by 5?

10 people came into a hotel with 9 rooms and each guest wanted his own room. The bellboy solved this problem.
He asked the tenth guest to wait for a little with the first guest in room number 1. So in the first room, there were two people. The bellboy took the third guest to room number 2, the fourth to number 3, ..., and the ninth guest to room number 8. Then he returned to room number 1 and took the tenth guest to room number 9, still vacant.
How can everybody have his own room?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?