There are two different ways of making one
dollar using 11 coins, which must be quarters,
dimes and nickels, with at least one of each.
What are these two ways?
Tuesday, October 27, 2009
7th Grade
The sum of 5 numbers is odd. Which of the followings statements must be true?
a) There are an odd number of even numbers.
b) There is an even number of odd numbers.
c) There are an odd number of odd numbers.
d) There are no even numbers.
a) There are an odd number of even numbers.
b) There is an even number of odd numbers.
c) There are an odd number of odd numbers.
d) There are no even numbers.
7th Grade
A digital clock shows either 3 digits of 4 digits at a time.
What time it when the digits have their greatest sum?
What time it when the digits have their greatest sum?
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