Why do Chinese men eat more rice than Japanese men do ?

How high do you have to count before you use the letter “a” in the English spelling of the whole number?

Three friends decide to distribute the soda cans they had among them. When all of them had drunk four cans each, the total number of cans that remained was equal to the cans each one of them had after they had divided the cans.

Can you calculate the total number of cans before distribution?

On my way to St. Ives I saw a man with 7 wives. Each wife had 7 sacks. Each sack had 7 cats. Each cat had 7 kittens. Kittens, cats, sacks, wives. How many were going to St. Ives?

Find out the missing number in the picture attached:

What always comes into a house through the keyhole?

Why do people go to bed?

Two boys were admitted to a school. When the headmaster asks them about their parents, they tell him that they have same parents (father and mother). On further inquiry, it turns out that they both share the same date for their birthday.

"Are you twins," ask the headmaster.
"No," replies the boys.

Is it possible?

Your mother’s brother’s only brother-in-law is asleep on your couch. Who is asleep on your couch?

What does this Rebus Picture means ?