Upload
scmret
View
214
Download
0
Embed Size (px)
DESCRIPTION
G
Citation preview
M5
P11/37
If , , and are 3 different integers and , what is the value of c?
1. a = 5
2. b = 11
P2
If , what is the product of and ?
1.
2.
P3
2
1
0
-1
-17
P4
T
If , what is the value of ?
P5
What is the product of 6 consecutive integers?
1. The greatest integer is 4
2. The sequence has both positive and negative integers
P6
What is the volume of a rectangular box with the three different dimensions of , , and
?
1.
2.
P7
What is the volume of a rectangular box with the three different dimensions of , , and
?
1.
2.
P8
Water flows into an empty tank of 54 liters via 12 small pipes. The rate of flow in each
pipe is 1 liter per hour. However, water also flows out of the tank via several large pipes at
the rate of 1.5 liter per hour. If the tank is completely full after 12 hours, how many large
pipes are there?
2.5
3
4
5
6
P9
There are 6 cards numbered from 1 to 6. They are placed into a box, and then one is drawn
and put back. Then another card is drawn and put back. If the sum of the two cards was 8,
what is the probability that one of the cards drawn was a 5?
1
P10
4% of the population of a certain country owns both a car and a boat. If 20% of those who
own a boat, do not own a car, what percentage of the country's population owns a boat?
5%
7.5%
10%
12.5%
15%
P11
In xy plane, line K passes through the points A(6, -7) and B(4, 5). Does line K also pass
through point C?
1. Coordinates of Point C are ( 5, -1)
2. Point C is equidistant from Point A and Point B.
P12Help E
If is a positive integer, is
1.
2. is a prime number
P13
Is
1.
2.
P14
When positive integer is divided by 7 the remainder is 2. Is divisible by 8?
1. is divisible by 2 and 3
2.
P15
It takes Otto 6 days to finish a research project. If Otto and Hannah working together can
finish the same project in 4 days, how many days will it take Hanna to finish the project by
herself?
6
8
10
12
14
P16
If is a positive integer, is divisible by 15?
1. is a multiple of 10
2. is a multiple of 12
P17
A machine consisting of 3 connected wheels is mixing concrete. The engine is running at
a speed of 60 rpm and the mixer is mixing at a rate of 8 rpm. If the radius of the smaller
(drive) wheel is 2 inches, what is the diameter of the mixing wheel? The smaller wheel is
driven directly by the engine.
12
15
25
30
32
P
P18
What is the value of ?
1.
2.
P19
A candy factory manufactures various types of candy: 30% are dark chocolate, 25% are
milk chocolate, 20% taffy, 5% caramel, and the rest are cream. Due to a hardware failure,
all of the candy are mixed and dispatched into boxes holding 20 individually wrapped
pieces of candy each. If 80 boxes are packed before the failure is caught, what is the
maximum number of candy pieces a quality control inspector can open to get a taffy
candy?
61
120
800
1281
1321
P20
If is a non-zero number what is the value of ?
1.
2.
P21
If , and , is divisible by 7?
1.
2.
P22N
On a certain Saturday, flights arrived to XYZ airport every hour for 24 hours. Is the total
number of flights that arrived on Saturday greater than 180?
1. On that Saturday, the median number of flight arrivals every hour is 17.
2. On that Saturday, the highest number of flight arrivals in an hour was 30.
P23Help End Exam Review Section
Previous Next
A flower shop has 2 tulips, 2 roses, 2 daisies, and 2 lilies. If two flowers are sold at
random, what is the probability of not picking exactly two tulips?
P24
What is the value of ?
1. is the mode of {3, 0, 1, -1, 0, 5, 1}
2. is the median of {-4, 4, 2, -2}
P P25
If is a prime number, is divisible by ?
1.
2.
P26
If a fair coin marked 1 and 2, and a fair die are rolled together, what is a probability to
have the sum even?
Help End Exam Review Section Previous Next
36/37
Flag for Review
P27
If , , and are distinct positive distinct integers, is an integer?
1.
2.
P28
Is the average of a set of 5 distinct positive integers { , , 4, 6, 2} greater than the
median?
1. the highest number in the set is 6
2. the lowest number in the set is 2
P29
Two cities, Kensington, MD and Reston, VA are 30 km apart. From both of these cities,
simultaneously, two hikers start their journeys towards each other. They are walking at a
constant speed of 5 km/hour each. Simultaneously, a fly leaves the city of Kensington. It
flies at the speed of 10 km/hour and passes the hiker from its city. When it reaches the
Reston hiker, it turns around and flies back to the Kensington hiker. It keeps doing so until
the hikers meet. If the fly lands on the shoulder of the Kensington hiker as he continues his
journey to Reston at the moment the two hikers meet, how many kilometers has the fly
flown?
25
30
37.5
45
60
P30
If and are positive integers and is divisible by prime number . Is an
even number?
1. is an even number
2. .
P31
17/37Kate and David each have $10. Together they flip a coin 5 times. Every time the coin
lands on heads, Kate gives David $1. Every time the coin lands on tails, David gives Kate
$1. After the coin is flipped 5 times, what is the probability that Kate has more than $10
but less than $15?
P32
To build a rectangular chicken pen, Mike has 40 meters of netting. If Mike wants to
maximize the area of the pen, what will be the most favorable dimensions?
12 x 8
15 x 8
10 x 10
15 x 15
15 x 5
P33
Carly has three movies that she can watch during the weekend: an action movie, a comedy,
or a drama. However, she wants to watch the same drama movie three times, an action
movie once and a comedy movie also once. In how many different ways can she arrange
these five screenings?
6
20
24
60
120
P
P34
If , and , is divisible by 7?
1.
2.
Review
P35
Is a positive integer?
1. is a prime number
2. is divisible by 11
H
P36
Three copy machines are making copies of the same document. Copier A makes 12
copies per minute, Copier B makes 7, and Copier C makes 19. It costs 8 cents/copy for
Copier A, 5 cents/copy for Copier B, and 11 cents/copy for Copier C. If a separate
attendant has to be hired for each copier and be paid $30 per hour (you have to pay $60
if the attendant works for one hour and one minute), which copier alone will be the most
efficient choice to make 1,200 copies?
Copier A
Copier B
Copier C
A and B
A and C