If you toss a coin 10 times and it lands heads up every time, what are the chances it will land heads up if you toss it again?

Can you fill the blank with the correct number?

6 30 870 756030 _____

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 have a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

Christina is practising her dance steps along with her friends. In a particular sequence, all of them form a row. At that point, Niharika is standing in the 4th position from either end of the row.
Can you find out how many girls are practising together?

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

In the image below, can you find the value of an angle(y)

Get total of 120 by using five zeros 0,0,0,0,0 and any one mathematical operator.
Do you ?

What is harder to catch the faster you run?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?