Find The Next Number in this series.
1, 2, 6, 42, 1806 ?

John left on a horse on Thursday , was gone for two days, and came back on Thursday after completing his work. How did that happen?

Imagine a box with two cogwheels, one big with 24 teeth and one small with 8 teeth. The big one is firmly attached to the center of the box which means it does not turn or move while the small one rotates around the big one.

How many times do you think that the smaller wheel will turn compared to the box when it turns once around the big one?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

Find the next number in the series.
1 10 24 43 67 ?

How many times can you subtract the number 5 from 25?

A finger goes in me. You fiddle with me when you're bored. The best man always has me first. What am I?

You can find some missing letters in the picture. By placing two particular letters in the spaces, you can form a nine lettered word beginning from one of the corners and going clockwise direction to the middle. Can you find out the letters and the word?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

A plane crashed between the border of Mexico and America. Where do you bury the survivors?