I have one of the three numbers: 1, 2, or 3 in my mind. I speak only truth. You can ask me just one question for which I will only reply in yes or no or don't know. What question will you ask from me so that you are able to know the number?

Can you spot the hidden girl in the picture below?

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

We have four gears with below features=> Both Gear A and D has 60 teeth=> Gear B has 40 teeth=> Gear C has 20 teeth=> Every two minutes, Gear B makes 25 full turns.What is the relative speed of Gear A and Gear B?

Be active and find the killer in the picture Riddle below.

A word I know,
Six letters contain,
Subtract just one,
And twelve is what remains.

Why did the Girl throw the butter out of the window?

12345 a famous South Indian actor
567 is a path in jumbled form
8 & 10 are same letters
9 is one among the first six alphabets.
WHO AM I?

If your uncle’s sister is not your aunt, what relation is she to you?

John named his first son Alpha, second Beta, third Charlie and fourth Delta. What is the fifth son's name?