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?

What makes this number unique: 8,549,176,320?

I know a nine-letter word having only one vowel.
Do you ?

Begin with a word, five letters to my name,
Remove the first and last but I am the same
Take out my middle and still, I remain.
What word am I?

What is the fewest number of coins that would be required in order to make sure each and every coin touches exactly three other coins?

Which point will the car reach to go out?

Replace each alphabet with the number (1-9) to make the below equation correct.

AB * C = DE - F = GH / I

If we change the South-East direction into North and North-East into West and all others similarly.
Can you find out which direction will be in the place of South-West direction?

Before Mount Everest was discovered, what was the highest mountain in the world?

Take one out and scratch my head, I am now black but once was red. What am I?