# Brain Teasers Brain Teasers

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Dr. Tipton’s Math Group
   Find the number of ways in which 20
coins consisting of quarters, dimes and
nickels can have a value of \$3.10.
Hats
   Five hats are randomly distributed to
the five people who own them. What
is the probability that all the people
       7-UP               3-Day special
    Case of 12                7-up
   One-liter bottles        Carton of 8
       \$4.98              Half-liter bottles
      \$1.69
   Plus \$.60 deposit
on case. Money      Which is the better buy?
back on return.
How much would you save?
Saving Money
   A year ago, the amount in Joe’s
savings was three times the amount in
Sara’s. Joe has spent \$25 of his
savings while Sara has added \$25.
Now the amount in Joe’s savings is
only twice Sara’s. How much did Sara
have in her savings a year ago?
Rhyme Time
   In each of the following, there are two
rhyming words that are suggested by the
clues. One of the words is a math term.
For example:
   Five o’clock is PRIME TIME.
   2000 pounds is _____ _______.
   A wrong total is a _____ ______.
   A skillet diameter is a _______ _____.
   A finger tapper is a ______ ______.
   How many more can you think of?
Find the wooden nickel
   Eight nickels are all the same size,
shape and color. One is a wooden
nickel. It is lighter in weight than the
others. Using a balance scale, find the
light nickel in only two weighings.
Explain how you would do it.

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 views: 98 posted: 5/29/2012 language: English pages: 7