By including only four matchsticks in below picture, you have to make "Four Triangles And Two Squares"

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?

When I go in I might cause pain. I cause you to spit and ask you not to swallow. I can fill your hole. What am I?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

I know there are two methods by using three time the same number with a plus(+) operator , you can make sum as 60.

One of them is 20+20+20.

whats the other way ?

Find the next number in the series below.

6 18 270 72090 ?

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?

Can you place six matchsticks in a manner that each of the matchsticks is in touch with the other five matchsticks?

Which flower has two lips?