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

Whats the next number in the below number sequence pattern.

What is the word or phrase below?
R | E | A | D

Can you identify if it's a murder or a suicide ?

A man wants to cross the pit of fire which is 25 feet in length and he has 2 planks(fire resistant) 19 feet in length. How can he cross the pit of fire alive?

The barber of Town shaves all men living in the town. No man living in the town is allowed to shave himself. The barber lives in that town. Who then shaves the barber of the town?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

What does this rebus means ?

John is 45 years older than his son Jacob. If you find similarities between their ages, both of their ages contain prime numbers as the digits. Also, John's age is the reverse of Jacob's age.

Can you find their ages?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?