Probability
A 20-sided die is thrown. What is the probability that a 17 will come up?
1/20
Can this number be divisible by 4?
216
Yes
How many millimeters are in 3.5 cm?
35 mm
How many prime numbers are there between 5 and 24 inclusive?
7
There are 10 fish and 3 lobsters in a tank. If one sea creature is chosen at random, what is the probability that it will be a lobster?
3/13
Can this number be divisible by 7?
301
Yes
Change 84 hours into days.
3.5 days
If 3 * (S+T) = 24 and S is a prime number, then what could be T?
A) 8
B) 7
C) 4
D) 3
12 outfits
What number can be divided by 2, 3, 4,8, and 10?
120
The ratio of boys to girls at Crystal is 1 to 3. If there are 300 boys in the school, how many total students are in the school?
1,200 students
What is the sum of the distinct prime factors of 24?
5
There are 3 wood bats and 2 metal bats in the dugout. Barry randomly picks a bat and gives it to his teammate. Barry then randomly picks a second bat and keeps it. What is the probability that the first bat Barry picked was metal and the second was wood?
3/10
What is the LCM of 18,24, and 36?
72
Two negative integers are in the ratio 4 to 5. If the larger of the numbers is -40, what is the average of the two numbers?
-45
The sum of 4 consecutive integers is 122. What is the largest of the four integers?
32
The probability that Diane is late for school is 2 out of 5. The probability that Katie is late for school is 4 out of 7. Which of the following events is most likely to happen on any school day?
A) Diane is late for school.
B) Katie is late for school.
C) Diane is not late for school.
D) Katie is not late for school.
C
If A is divisible by 45 and B is divisible by 63, which of the following are A and B both divisible by?
9
The height of a winder on a blueprint measures 0.4 inches. If the actual window is 5 feet, what is the ratio of the blueprint dimensions to the house dimensions?
1:150
The product of three consecutive integers is 210. If one of the integers is 6, what is the sum of the three integers?
18