Robert took a test of 20 questions. The test was graded by giving 10 points for each correct answer and deducting 5 points for each incorrect answer. Robert answered all 20 questions and received a score of 125. How many wrong answers did he have?
Solution
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Get Hooked On Cryptograms....
from A Daily Brain Teaser http://ift.tt/1B1jJ1Z
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Solution
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Get Hooked On Cryptograms....
from A Daily Brain Teaser http://ift.tt/1B1jJ1Z
3d wooden brain teasers from craftypuzzles.com
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