Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

When we see 2 but call 10?

How can you leave a room with two legs and return with six legs?

There is a place where if I stand up straight, I will still be considered sideways.

In an Art Gallary, When the clock hit 11 am, Artist hung the painting number 30. When it struck 4 pm, he hung painting number 240 and when it struck 7:30 pm, he hung painting number 315.

Can you determine, which painting number will he hang when the time is 9:20 pm?

What happened when the wheel was invented?

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?

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

What does this mathematical rebus means ?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?