Replace the question mark with the correct number in below Picture:

Can you find the dog hidden in a group of pandas?

You want to boil a two-minute egg. If you only have a three-minute timer (hourglass), a four-minute timer and a five-minute timer, how can you boil the egg for only two minutes?

A man dies of old age on his 25 birthday. How is this possible?

Solve the equation in the image by looking at the pattern closely.

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

What does this mean?
N
A
E
L
C

Consider this about a word: The first two letters signify a male, the first three letters signify a female, the first four letters signify a great, while the entire world signifies a great woman. What is the word?

Why do people go to bed?

Can you move two match sticks to make it 430?