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This is the HESI Mathematics Practice Test. Well, it's just some basic maths but the overall purpose is to ensure your calculation skills are up to the top. You are not bound to any time limit but you can give yourself one. Well, forty minutes, one minute for each sound best.
Questions and Answers
1.
What kind of number system is commonly used in the United States?
A.
Tertiary
B.
Decimal
C.
Napoleonic
D.
Binary
Correct Answer B. Decimal
Explanation The commonly used number system in the United States is decimal. Decimal system is based on the number 10, where each digit can have a value from 0 to 9. It is widely used in everyday life, in mathematics, and in various fields such as finance, science, and engineering. In the decimal system, numbers are represented using place value, where the position of each digit determines its value. This system is easy to understand and work with, making it the preferred number system in the United States and many other countries.
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2.
Place value is not used in which numeric system?
A.
Arabian
B.
Cyrillic
C.
Decimal
D.
Roman
Correct Answer D. Roman
Explanation Roman numerals do not use place value. In the Roman numeral system, each symbol represents a specific value, and the numbers are formed by combining these symbols. The value of a symbol does not change based on its position within the number. This is different from the decimal system, where the position of a digit determines its value through place value. Arabian, Cyrillic, and Decimal systems all use place value to represent numbers.
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3.
The numeral 0 is not used in which numeric system?
A.
Roman
B.
Decimal
C.
Chinese
D.
Bulgarian
Correct Answer A. Roman
Explanation The numeral 0 is not used in the Roman numeric system. In the Roman system, numbers are represented using a combination of letters, such as I, V, X, L, C, D, and M. These letters are used to represent values, and there is no specific symbol for zero. The Roman numeric system is based on additive and subtractive principles, where values are added or subtracted to represent different numbers. Therefore, the absence of the numeral 0 is a characteristic of the Roman numeric system.
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4.
A telemarketer must call 157 U.S. phone numbers every shift to meet their quota. How many buttons will have to be pushed to make 157 long-distance calls?
A.
2,000
B.
1,727
C.
1,099
D.
1,570
Correct Answer B. 1,727
Explanation To make a long-distance call, the telemarketer will have to push a series of buttons on the phone. Since they need to make 157 long-distance calls, they will have to push the buttons 157 times. Therefore, the correct answer is 1,727.
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5.
A newborn weights 3,459 grams. There are 453.59 grams per pound. What is the infant's weight in pounds and ounces?
A.
7 lb 10 oz
B.
10 lb 7 oz
C.
13 lb 3 oz
D.
3 lb 13 oz
Correct Answer A. 7 lb 10 oz
Explanation To convert the weight from grams to pounds, we divide the weight in grams by the conversion factor of 453.59 grams per pound. In this case, 3,459 grams divided by 453.59 grams per pound equals approximately 7.63 pounds. Since we want the weight in pounds and ounces, we can round down the pounds to 7 and then calculate the remaining ounces. To find the ounces, we multiply the decimal part of the pounds (0.63) by 16 (since there are 16 ounces in a pound) which gives us approximately 10 ounces. Therefore, the infant's weight is 7 pounds and 10 ounces.
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6.
What temperature in Celsius is 98.6 degrees Fahrenheit? (Enter numeric value only)
Correct Answer 37
Explanation The correct answer is 37. To convert Fahrenheit to Celsius, you can use the formula: (Fahrenheit - 32) * 5/9. Plugging in the given value, we get: (98.6 - 32) * 5/9 = 66.6 * 5/9 = 333/9 = 37. Therefore, 98.6 degrees Fahrenheit is equal to 37 degrees Celsius.
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7.
A nurse works in the military hospital from 1300 to 2000. What time of day does this nurse work?
A.
Early morning to early afternoon
B.
Lunch time to midnight
C.
Early afternoon to bedtime
D.
Midnight to sunrise
Correct Answer C. Early afternoon to bedtime
Explanation The nurse works from 1300 to 2000, which corresponds to the time between early afternoon and bedtime.
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8.
A nurse is reviewing the daily intake and output (I&O) of a patient consuming a clear diet. The drainage bag denotes a total of 1,000 mL for the past 24 hours. The total intake is: 2 8oz cups of coffee1 16-oz serving of clear soup1 pint of water consumed throughout the dayHow much is the deficit in milliliters? (Enter numeric value only.)
Correct Answer 440
Explanation The nurse is reviewing the patient's intake and output. The total intake includes 2 8oz cups of coffee (which is 16oz), 1 16-oz serving of clear soup, and 1 pint of water (which is 16oz). Therefore, the total intake is 16oz + 16oz + 16oz = 48oz. Since 1oz is approximately equal to 30mL, the total intake is 48oz x 30mL/oz = 1440mL. The drainage bag denotes a total of 1000mL for the past 24 hours. Therefore, the deficit is 1440mL - 1000mL = 440mL.
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9.
A women received a bottle of perfume as a present. The bottle contains 1/2 oz of perfume. How many milliliters is this? (Enter numeric value only.)
Correct Answer 15
Explanation To convert ounces to milliliters, we need to know the conversion factor. 1 fluid ounce is equal to approximately 29.57 milliliters. Since the bottle contains 1/2 ounce of perfume, we can calculate the amount in milliliters by multiplying 1/2 by the conversion factor. 1/2 * 29.57 = 14.785 milliliters. Rounding this to the nearest whole number gives us 15 milliliters.
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10.
The metric system of measurement was developed in France during Napoleon's reign. It is based on what multiplication factor?
A.
The length of Napoleon's forearm
B.
2
C.
10
D.
Atomic weight of helium
Correct Answer C. 10
Explanation The metric system of measurement was developed in France during Napoleon's reign and is based on a multiplication factor of 10. This means that each unit in the metric system is 10 times larger or smaller than the adjacent unit. This system allows for easy conversion between units, making it a practical and widely used system of measurement worldwide.
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11.
How many meters are in a kilometer? (Enter numeric value only.)
Correct Answer 1000, 1,000
Explanation There are 1000 meters in a kilometer. This is a standard conversion factor used in the metric system.
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12.
How many grams are in a kilogram?(Enter numeric value only.)
Correct Answer 1000, 1,000
Explanation There are 1000 grams in a kilogram.
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13.
To convert pounds to kilograms, what factor is used?
A.
2.2
B.
0.334
C.
10
D.
22
Correct Answer A. 2.2
Explanation To convert pounds to kilograms, a factor of 2.2 is used. This means that to convert a weight in pounds to kilograms, you would multiply the weight in pounds by 2.2. For example, if you have a weight of 10 pounds, you would multiply 10 by 2.2 to get 22 kilograms.
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14.
A teacher's aide is preparing a snack for the class. In order to prepare the powdered drink, the aide must convert the directions to metric. The directions say, "Dilute contents of package in 2 quarts of water." The aide has a measuring device marked in liters. How many liters of water should be used? (Enter numeric value only. If rounding is required, round to the nearest tenth.)
Correct Answer 1.9
Explanation The aide needs to convert 2 quarts of water to liters. Since 1 quart is equal to 0.946 liters, the aide needs to multiply 2 quarts by 0.946 liters per quart to get the answer. This calculation results in 1.892 liters, which rounds to 1.9 liters. Therefore, the aide should use 1.9 liters of water.
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15.
How many milliliters are in 1 liter?
A.
30
B.
10
C.
100
D.
1,000
Correct Answer D. 1,000
Explanation There are 1,000 milliliters in 1 liter. This is because the metric system uses a base unit of 1,000 for conversions between different units of measurement. Therefore, when converting from liters to milliliters, you multiply the number of liters by 1,000 to get the equivalent amount in milliliters.
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16.
A seamstress is measuring a model for a new dress. The tape measure is marked in centimeters. The seamstress needs to convert that measurement into inches. If the model's waist measurement is 65.4 centimeters, what is that in inches?
A.
25.74 inches
B.
166.12 inches
C.
32.50 inches
D.
17 inches
Correct Answer A. 25.74 inches
Explanation The correct answer is 25.74 inches. To convert centimeters to inches, you divide the measurement in centimeters by 2.54 (since 1 inch is equal to 2.54 centimeters). So, 65.4 centimeters divided by 2.54 equals 25.74 inches.
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17.
There are 2.54 centimeters in an inch. How many centimeters are in 1 foot? (Enter numeric value only)
Correct Answer 30.48
Explanation There are 12 inches in a foot. Since there are 2.54 centimeters in an inch, we can calculate the number of centimeters in 1 foot by multiplying 12 (inches) by 2.54 (centimeters per inch). Therefore, the answer is 30.48 centimeters.
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18.
How many centimeters in a millimeter?
A.
1/10
B.
1
C.
10
D.
100
Correct Answer A. 1/10
Explanation There are 10 millimeters in a centimeter. Therefore, the correct answer is 1/10, as it represents the fraction of a centimeter that is equivalent to a millimeter.
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19.
How many centimeters in a meter?
A.
1/10
B.
10
C.
100
D.
1,000
Correct Answer C. 100
Explanation There are 100 centimeters in a meter. This is because the prefix "centi-" in the metric system denotes a factor of 1/100. Therefore, when we have 1 meter, we can divide it into 100 equal parts, each measuring 1 centimeter.
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20.
A newspaper kiosk sells 10 varieties of newspapers from around the world. The average daily sales for some of the varieties are as follows:English language newspapers---eight papers, sells 25 of each paper each dayFrench language newspapers---two papers, sells one of each paper each dayKorean language newspapers---one paper, sells 16 each dayJapanese language newspapers---eight papers, sells 16 of each paper each dayRussian language newspapers---one paper, sells 22 each dayHow many of these newspapers are sold each day?(Enter numeric value only)
Correct Answer 368
Explanation The number of newspapers sold each day can be calculated by adding up the sales for each variety. For English language newspapers, there are 8 papers and 25 sold each day, so the total is 8 * 25 = 200. For French language newspapers, there are 2 papers and 1 sold each day, so the total is 2 * 1 = 2. For Korean language newspapers, there is 1 paper and 16 sold each day, so the total is 1 * 16 = 16. For Japanese language newspapers, there are 8 papers and 16 sold each day, so the total is 8 * 16 = 128. For Russian language newspapers, there is 1 paper and 22 sold each day, so the total is 1 * 22 = 22. Adding up all these totals gives us 200 + 2 + 16 + 128 + 22 = 368.
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21.
A hospital day staff consists of 25 registered nurses, 75 unlicensed assistants, five phlebologists, six receptionists and office staff, and 45 physicians. One summer day the staff was at only 68% strength. How many people were working that day? (Enter numeric value only)
Correct Answer 106
Explanation On that summer day, the hospital staff was at only 68% strength. This means that only 68% of the total staff was working. To find out how many people were working, we need to calculate 68% of the total number of people in the staff. The total number of people in the staff can be calculated by adding the number of registered nurses, unlicensed assistants, phlebologists, receptionists and office staff, and physicians. Adding these numbers together gives us a total of 25 + 75 + 5 + 6 + 45 = 156. To find 68% of 156, we multiply 156 by 0.68, which gives us 106. Therefore, there were 106 people working that day.
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22.
A farmer raises chickens for eggs and meat. Any chicken that does not lay at least one egg a week is moved to the slaughterhouse. The farmer has 765 chickens that can lay one egg each day. Each day 80% of the chickens lay eggs. How many eggs does the farmer collect each day?(Enter numeric value only)
Correct Answer 612
Explanation Each day, 80% of the 765 chickens lay eggs. To find out how many eggs the farmer collects each day, we can multiply the total number of chickens by the percentage of chickens that lay eggs. 80% of 765 is (80/100) * 765 = 612. Therefore, the farmer collects 612 eggs each day.
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23.
Last night at the hospital 76 babies were born. Of the births, 45% were girls. How many boys were born last night? (Enter whole number only)
Correct Answer 42
Explanation Since 45% of the babies born were girls, it means that the remaining 55% must be boys. To find the number of boys, we can calculate 55% of the total number of babies born. Therefore, 55% of 76 is equal to 0.55 * 76 = 41.8. Since we are looking for a whole number, we round down to the nearest whole number, which is 41. Hence, 41 boys were born last night.
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24.
The doctor tells the patient to cut back on coffee. The patient usually has four 8-oz cups of coffee per day. If the doctor told him to cut back by 25%, how many ounces of coffee can the patient have each day? (Enter whole number only)
Correct Answer 24
Explanation The patient usually has four 8-oz cups of coffee per day. If the doctor told him to cut back by 25%, it means he needs to reduce his coffee intake by a quarter. To calculate the new amount, we multiply the original amount by 0.75 (1 - 0.25). Four cups multiplied by 8 ounces equals 32 ounces. Multiplying 32 by 0.75 gives us 24 ounces, which is the new amount of coffee the patient can have each day.
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25.
Ratio and proportion: 0.8:10 :: x:100
A.
X=0.8
B.
X=8
C.
X=80
D.
X=800
Correct Answer B. X=8
Explanation In the given ratio and proportion, the first term is 0.8 and the second term is 10. The question is asking for the value of x when the second term is 100. To find the value of x, we can set up a proportion by equating the ratios of the two terms. By cross-multiplying, we get 0.8 * 100 = 10 * x. Simplifying this equation gives us 80 = 10x. Dividing both sides by 10, we find that x = 8. Therefore, the answer is x = 8.
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26.
Add: 9.98 + 0.065=
A.
10.63
B.
10.045
C.
1.0063
D.
998.065
Correct Answer B. 10.045
Explanation The correct answer is 10.045 because when you add 9.98 and 0.065, you get a sum of 10.045.
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27.
Add: 6 + 12.55 + 5.022=
A.
18.55
B.
23.572
C.
30.025
D.
16.475
Correct Answer B. 23.572
Explanation The correct answer is 23.572 because when you add 6, 12.55, and 5.022 together, you get a sum of 23.572.
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28.
Add: 23.5 + 7.025=
A.
30.525
B.
30.5
C.
30.025
D.
16.475
Correct Answer A. 30.525
Explanation The correct answer is 30.525 because when you add 23.5 and 7.025, the sum is 30.525.
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29.
Subtract: 32.21 - 4.68=
A.
14.59
B.
27.53
C.
1.459
D.
31.742
Correct Answer B. 27.53
30.
Subtract: 15.7 - 9.8=
A.
6.1
B.
8.96
C.
5.9
D.
4.30
Correct Answer C. 5.9
Explanation The correct answer is 5.9 because when you subtract 9.8 from 15.7, you get a difference of 5.9.
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31.
Subtract: 10.012 - 0.120=
A.
10
B.
9.012
C.
10.122
D.
9.892
Correct Answer D. 9.892
Explanation The correct answer is 9.892 because when subtracting 0.120 from 10.012, we subtract the corresponding place values (tenths, hundredths). Subtracting 0.120 from 0.012 gives 0.892, and subtracting 10 from 10 gives 0. Therefore, the result is 9.892.
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32.
Multiply: (7.2)(0.34)=
A.
14.12
B.
0.234
C.
7.64
D.
2.448
Correct Answer D. 2.448
Explanation The correct answer is 2.448 because when you multiply 7.2 by 0.34, you get the product of 2.448.
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33.
Multiply: (99)(0.56)=
A.
99.30
B.
99.56
C.
55.44
D.
199.54
Correct Answer C. 55.44
Explanation The correct answer is 55.44 because when you multiply 99 by 0.56, you get the product of 55.44.
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34.
Multiply: (88)(7.08)=
A.
862.5
B.
88.040
C.
64.252
D.
623.04
Correct Answer D. 623.04
Explanation The correct answer is 623.04 because when you multiply 88 by 7.08, you get the product of 623.04.
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35.
Multiply: 375 x 2.3=
A.
862.5
B.
750
C.
225.75
D.
1125
Correct Answer A. 862.5
Explanation The correct answer is 862.5 because when you multiply 375 by 2.3, you can calculate it as follows: 375 x 2.3 = 862.5.
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36.
How many gallons are in 48 fluid ounces?
A.
0.25 gallons
B.
0.75 gallons
C.
0.48 gallons
D.
0.375 gallons
Correct Answer D. 0.375 gallons
Explanation There are 128 fluid ounces in a gallon. To find the number of gallons in 48 fluid ounces, divide 48 by 128. The result is 0.375 gallons.
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37.
A shopper spends $75.64 at one store and $22.43 at the next store. The shopper started out with $100.00. How much money does the shopper have left?
A.
$1.93
B.
$5.00
C.
$0.72
D.
$20.13
Correct Answer A. $1.93
Explanation The shopper spent a total of $75.64 + $22.43 = $98.07 at the two stores. If the shopper started with $100.00, the amount of money left would be $100.00 - $98.07 = $1.93.
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38.
A worker is filling out his timesheet. He worked 8 hours on Monday, 7 hours and 30 minutes on Tuesday, 8 3/4 hours on Wednesday, 4 hours on Thursday, and 8 1/4 hours on Friday. If he earns $14.35 per hour, what will be his gross pay for this week?(Enter numeric value only)
Correct Answer 523.78
Explanation The worker worked a total of 8 + 7.5 + 8.75 + 4 + 8.25 = 36.5 hours in the week. Multiplying this by the hourly rate of $14.35 gives a gross pay of 36.5 * 14.35 = 523.78.
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39.
A farmer counts his flock of chickens. He has five red chickens, 17 white chickens, three black chickens, and one spotted chicken in his flock. What is the percentage of white chickens in the flock? (Enter numeric value only)
Correct Answer 65
40.
What number in Arabic numerals is Roman numeral MCMXLIV?(Enter numeric value only)
Correct Answer 1944 1,944
Explanation The Roman numeral MCMXLIV represents the number 1944 in Arabic numerals. The letters M, C, M, X, L, I, and V correspond to the values 1000, 100, 1000, 10, 50, 1, and 5 respectively. By adding these values together, we get 1944. The other option, 1,944, is not a valid representation of the number in Roman numerals as the order of the letters is incorrect.
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