Tuesday, June 8, 2010

Math Quiz (2)


If there are FIVE people in a room and each shakes hand exactly once with everyone else in the room, how many handshakes will there be?
(Hint: Act it out or draw a diagram to help you.)

26 comments:

  1. The answer is 9 people

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  2. Sorry i mean 9 handshakes

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  3. i think it is 20 handshakes

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  4. i mean/or 4 handshakes

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  5. Wow!This question is cool.

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  6. THE asnwer is 9 people

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  7. my answer is..................9! i wonder if it is correct:)

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  8. sory i
    write 4 or 20 the real anwser is 10 hand shakes

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  9. I like this question

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  10. madam chee ,
    there are 6 handshakes

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  11. the answer is 18 handshakes

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  12. i mean 20 handshakes.

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  13. Chelza the forensic scientistJune 10, 2010 at 10:52 PM

    It is 20 handshakes.The reason(when each people shake,they will shake to 4 people)

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  14. Faith Chua Tze YeeJune 10, 2010 at 11:41 PM

    The answer is 18..........!!!!!!!!!!!!

    WHY?:
    Each shakes hand exactly once with everyone else in one room.

    THANK YOU!!

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  15. Another clue for you. The handshake cannot be repeated. That means, if you have shaken hands with this person, that person cannot shake hands with you again. Hope this is clearer. :-) You may still change your answer before I post the answer this weekend.

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  16. I think it is ...20!(I am not sure.)

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  17. mdm chee is it forever cannot shake with the person again?and i think the ans is 10

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  18. confuced jing wen saidJune 11, 2010 at 3:06 PM

    im getting confuced because there are so many answers some 10 some 9 some 18 or maybe more! but my final answer ( even if it wrong i have no choice. )ok lets continue what i said:is 9

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  19. this question is very tricky

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  20. I mean 10 handshakes

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  21. My answer is 20 because if there are 5 people in a classroom each person will handshake 4 times so the solution to this problem is 4x5=20

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  22. It is 9 handshakes.

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  23. i think it is..10

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  24. Mdm Chee I think the answer is 10 handshakes=D

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