Friday Math Contest

Which is least?

• 2/3

• 3/5

• 4/7

• 5/9

I bought 27 pieces of candy for 50 cents each and paid with a $20 bill. My change was:

• 18.65

• 13.50

• 10.35

• 06.50

 $\frac{4}{5}\times\frac{3}{4}\times\frac{2}{3}\times\frac{1}{2}\times\frac{0}{1}$  

• 1

• 1/5

• 0

• -1/5

July 1 was a Friday. The last day of July which is July 31st is what?

• Saturday

• Sunday

• Monday

• Tuesday

(10 * 0.1) * (100 * 0.01) * (1000*0.001)

• 1

• 0.1

• 0.001

• 0.0001

The sum of the 99 smallest positive integers and the 99 largest negative integers is:

• 0

• 4950

• 9900

• 10100

(fill in the blank)

I have 2 ducks for every 3 chicken. I have __ ducks and 90 chicken.

• 15

• 30

• 60

• 90

 $\frac{1}{2}+\frac{3}{4}=\frac{5}{x}$        x =?

• 4

• 6

• 7

• 12

angle O is obtuse and angle A is acute. Then O - A can not be:

• 90

• 89

• 1

• 0

I can punch 120 times in 15 minutes. I can punch ___ times in 3 minutes

• 8

• 12

• 24

• 30