Lisa's mom was throwing a party for her daughter but got so caught up in doing the serving and the cleaning that she totally forgot how many kids came to the party. Based on the trash, she knows that 10 kids had juice, 8 kids had cake, and six kids had both.
How many kids were there at the party?
Adapted from: Brain Teasers: 211 Logic Puzzles, Lateral Thinking Games, Mazes, Crosswords, and IQ Tests to Exercise Your Mind and Keep You Sharp 'til You're 100 (Brain Teasers Series)
I'm posting one puzzle, riddle, math, or statistical problem a day. Try to answer each one and post your answers in the comments section. I'll post the answer the next day. Even if you have the same answer as someone else, feel free to put up your answer, too!
Friday, December 03, 2010
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12 kids attended...unless there were kids who didn't eat.ReplyDelete
I believe this is where venn diagrams provide a big help.ReplyDelete
12 kids attended the party..ReplyDelete
12 kids = 2 had cakes only + 4 had juice only + 6 had bothReplyDelete
yup @jack, venn diagram comes in handy