How many pluses should we put between the digits of 987654321 to get a total of 99, and where?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Look at me. I can bring a smile to your face, A tear to your eye, Or even a thought to your mind. But, I can't be seen. What am I?

What can you see in the middle of March and April that you can never see in any other month?

What does this rebus photo means?

In order to complete the racing competition, the Mexico racetrack has to submit its top and the most famous three horses to win the competition. Due to an electrical storm, all the records are cleared and no one knows which horse holds the record. They all look identical and it becomes even more difficult to differentiate the horses. There are 25 horses in the Mexico racetrack. But there can be only five horses at a time on the track. What will the least number of races that can be conducted to find out the three fastest horses?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

A boy was at a carnival and went to a booth where a man said to the boy, "If I write your exact weight on this piece of paper then you have to give me $50, but if I cannot, I will pay you $50." The boy looked around and saw no scale so he agrees, thinking no matter what the carny writes he'll just say he weighs more or less. In the end the boy ended up paying the man $50. How did the man win the bet?