Can you solve this math riddles???
Take 9 from 6, 10 from 9, 50 from 40 and leave 6.
How Come ??

For Answer
First use your mind, then click to see the answer
A collection of free online brain teasers with answers. Let your brain have some fun with these brain games. Brain teaser game is a collection of brain teasers, puzzles, riddles, games and optical illusions.