2 ladies and 2 girls need to cross a river in a boat big enough for 1 LADY or 2 girls. How do they do it?

There is a straight highway. Four different villages lie on that highway. The distance between them is different. The third village is 60km away from the first village; the fourth is 40 km away from the second; the third is 10 km near to the fourth that it is to the second.

Can you calculate the distance between the fourth and the first village ?

I come in different shapes and sizes.
Parts of me are curved, other parts are straight.
You can put me anywhere you like,
but there is only one right place for me.
What am I?

If a zookeeper had 100 pairs of animals in her zoo, and two pairs of babies are born for each one of the original animals, then (sadly) 23 animals don’t survive, how many animals do you have left in total?

Give it food and it will live; give it water and it will die.

Look at the below sequence of letters and tell us what the next letter should be:

O T T F F S S ?

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

You have a three-gallon and a five-gallon measuring device. You wish to measure out four gallons.

As you can see that fifteen matches have been used to form an arrangement. What you have to do is remove any six of them to make them ten.