81 x 9 = 801. What must you do to make the this equation true?

Keyboard words are not in alphabetical order, Why?

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?

John and Jacob are twin brothers. One of them is a liar whereas the other one is a truth-teller.

I called their home number and one of them picked up.
I asked. 'Does John lie?' The person replied with a yes.

Whom did I talk with, John or Jacob?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Find The Missing Number In the Sequence.
6 25 64 ? 32 1

Can you count the number of lines in the below picture?

Place a mathematical symbol between the numerals 5 and 9 in such a way that the resulting number is greater than 5 but smaller than 9.

Can you find the missing piece of the Porsche?

What goes up but never comes down?