It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Identify the hidden meaning behind this picture?

Complete the following series. It.s very logical:

1, 4, 5, 6, 7, 9, 11, __?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

A seven-year-old kid challenged his classmates that he can make the number one disappear by adding something to it.

How can he do that?

Sherlock Holmes was challenged to make a pre-drawn line smaller without erasing it. He did it in fractions of seconds. How?

Can you make a six-letter word using the letters N, A and B ?

From a pack of 52 cards, I placed 4 cards on the table.

I will give you 4 clues about the cards:

Clue 1: Card on left cannot be greater than the card on the right.
Clue 2: Difference between the 1st card and 3rd card is 8.
Clue 3: There is no card of an ace.
Clue 4: There are no face cards (queen, king, jacks).
Clue 5: Difference between the 2nd card and 4th card is 7.

Identify four cards?

If 1+9+8=1, what is 2+8+9?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?