No matter how hard you try, I can open what you can’t. If it wasn’t for me, on your front porch you would stand. What am I?

A woman gave birth to two sons who were born on the same hour of the same day of the same year but were not twins. How is this possible?

You have two hourglasses, a 7 minute one and an 11 minute one. Using just these two hourglasses, how can you accurately time 15 minutes?

I have a hundred legs, but cannot stand. I have a long neck, but no head. I cannot see, and I’m neat and tidy, as can be. What am I?

Three kinds of apples are mixed randomly in a box. How many apples must you take out to be sure of having at least two apples of one kind?

A 4-wheel drive car has travelled 10,000 miles using 5 tyres. All tyres have travelled the same distance. How many miles each tyre has run?

A women and daughter walked into a restaurant. A man walked past and the women both said, “Hello, Father”. How is this possible?

A monkey, a squirrel and a bird are racing to the top of a coconut tree. Who will get the banana first, the monkey, the squirrel or the bird?

It runs and runs but can never flee. It is often watched, yet never sees. When long it brings boredom, when short it brings fear. What is it?

You drive to the store at 20 mph and return by the same route at 30 mph. Discounting the time spent at the store, what was your average speed?

I recently returned from a trip. Today is Friday. I returned four days before the day after the day before tomorrow. On what day did I return?

A farmer has five haystacks in one field and four haystacks in another. How many haystacks would he have if he combined them all in one field?

I have a little house in which I live all alone. It has no doors or windows, and if I want to go out I must break through the wall. What am I?

We have a brick of regular size. It weighs 4kg. How much do you think a similar brick, four times smaller, but made of the same material weigh?

There are five apples in a basket. How do you divide them among five girls so that each girl gets an apple, but one apple remains in the basket?