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Tuesday, August 4, 2009

SIMPLE MATH PUZZLES

PUZZLE 1


Divide 110 into two parts so that one will be 150 percent of the other. What are the 2 numbers?





PUZZLE 2


The following number is the only one of its kind. Can you figure out what is so special about it? 8,549,176,320.


PUZZLE 3


Jennifer took a test that had 20 questions. The total grade was computed by awarding 10 points for each correct answer and deducting 5 points for each incorrect answer. Jennifer answered all 20 questions and received a score of 125. How many wrong answers did she have?


PUZZLE 4


When asked about his birthday, a man said:"The day before yesterday I was only 25 and next year I will turn 28."This is true only one day in a year - when was he born?


PUZZLE 5


The following equation is wrong: 101 - 102 = 1. Insert one mathematical operator to make it correct.


PUZZLE 6


NOTHING BUT ZEROS!
Use FIVE 0's and any math operators to get 120.



PUZZLE 7


What is the next number in the series? 01, 1011, 111021, 31101211, ?














SOLUTIONS





PUZZLE 1 : 44 and 66


PUZZLE 2 : It's the only number that contains all of the digits in alphabetical order.


PUZZLE 3 : 5. She had five wrong answers. If Jennifer had answered all 20 questions correctly, she would have scored 200. Since she only scored 125, she must have lost 75 points. Since each incorrect answer results in a total loss of 15 points (10 for not getting it correct and 5 for answering incorrectly) she must have missed 5 questions. 5 x 15 = 75, 200 - 75 = 125.


PUZZLE 4 : He was born on December 31st and spoke about it on January 1st.


PUZZLE 5 : 101-10^2 = 1


PUZZLE 6 : ( 0! + 0! + 0! + 0! + 0! )! = 120


PUZZLE 7 : 132110111221...... first its 01 (one 0, one 1) etc.... so its one 3 two 1 one 0 one 1 one 2 and two 1!!!!
FOR MORE PUZZLES CLICK HERE

8 comments:

  1. cool and amazing puzzles ,,,,,,,,,,,,i loved it........can u put some more...........this site is gr8 than i judged it ,,,nice blog,,,,

    ReplyDelete
  2. Interesting puzzles. Kindly add some more too...

    ReplyDelete
  3. wonderful puzzles

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  4. wonderful brain twisting puzzles and wonderful facts

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  5. wow ........i lov thm all but its kinda brain teasing

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  6. brain teaser!! loved it

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