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- 1. Multiple Choice
Count the number of triangles in the given figure.
8
10
12
14
- 2. Multiple Choice
If 5 people can make 5 toys in 5 days, how many people would it take to make 50 toys in 50 days?
1
5
25
50
500
- 3. Multiple Choice
Suppose two days before yesterday was Wednesday. What day of the week will it be 100 days from today?
Sunday
Tuesday
Monday
Wednesday
- 4. Multiple Choice
Suppose the counting numbers from 1 through 100 are written on paper. What is the total number of 3's and 8's that will appear on the paper?
60
50
30
40
- 5. Multiple Choice
ABCD represents a 4 digit number. The product of its digits is 70. What is the largest number that ABCD can represent?
7521
7215
7125
5721
- 6. Multiple Choice
Bilbo found a great deal on rings. He bought a ring for 70% of the original price. If he saved $45, what was the original price?
$150
$125
$105
$115
- 7. Multiple Choice
If the length of a rectangle is increased by 10%, and the width is decreased by 10%, what is the effect on the area of the rectangle?
Decreases by 1%
No Change
Increases by 1%
increases by 21%
- 8. Multiple Choice
There are 10 ducks. 5 of these 10 ducks lay an egg every day. The other 5 ducks lay an egg every second day. How many eggs in total do the 10 ducks lay in a period of 10 days? 10
75
60
50
25
- 9. Multiple Choice
A fly has 6 legs, a spider has 8 legs. Together 3 flies and 2 spiders have as many legs as 9 chickens and several cats. How many cats are there?
2 cats
3 cats
4 cats
5 cats
- 10. Multiple Choice
When is it ok to be late to Math Olympiad?
When the time was changed
When the problems are too hard
When it's on Tuesday
It's never ok to be late to Math Olympiad
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