Thursday, March 25, 2010

Daily Brain Teaser #98

Maria's father made 80 cookies.
Maria put them all in one long line across the counter. In the line of cookies, every third cookie has chocolate chips. Every fourth cookie has raisins. Every eigth cookie has nuts.
Maria's father would like to eat cookies with all three: chocolate chips, raisins and nuts. How many cookies have all three?


____ cookies


Bonus: Which cookies, by number, will Maria's dad eat? ____________________

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