The best way to keep your mind as sharp as a tack is to give it a tremendous workout every now and then. The wonderful life-giving effects of this are doubled when the activity is both intensely stimulating and jolly good fun. That's why we at BabaMail have decided to put you to the test, with these 15 challenging riddles, and 1 bonus math problem. If you can crack these riddles, you must have an incredibly special brain!
H/T: brightside.me
