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?

Decode the below four famous ciphers:

8P of the SS
1M of the E
1S of the SS
60M in 1H

Different lights make me strange by changing me into different sizes. What am I?

What is a word made up of 4 letters, yet is also made up of 3. Sometimes is written with 9 letters, and then with 4. Rarely consists of 6, and never is written with 5.

I never was there, I am always to be.
You have never ever seen me, not ever you will.
Yet I am the confidence of everyone.

Who Am I?

I am white when I am dirty, and black when I am clean. What am I?

What number does the below three word/phrase identify and why?
1. Deck
2. Year
3. Singing in the Rain

I have Rs.50 and I spend it in the way as below.

It comprises roots which nobody sees,
Much taller than those trees,
Up and up it goes,
Still it never grows?

1 + 9 + 8 = ?
considering, 28 + 8 + 92 = 10