If you need some boosters to refresh your mind, you have come to the right place.
Brightside has compiled a series of riddles designed to stimulate your brain and test your intelligence.
You might find that some of them are rather straightforward with a little bit of thought, while others require a little more pondering.
Have a look at them in the gallery above and put yourself to the test. Answers can be found in the next image following each question.

Have something to say? Join in!
See something interesting? Contribute your story to us.
Explore more on these topics
Loading More Stories

