Math
Solve 23.245 + 61.534
1. 84.779
2. 48.779
3. 84.588
4. 38.289
What is 1
Step 1: Line up the numbers by their decimal point.
23.245 + 61.534
Would look like:
23.245
+61.534
Now all of our place values are lined up.
Step 2: Add like normal.
23.245
+61.534
84.779
23.245 + 61.534 is equal to 84.779.
Which of the following words is spelled correctly?
1. acidentally
2. acsidentaly
3. accidentally
4. accidentaly
What is 3
Accidentally is correct. We are adding -ly to a word ending in -l. The most common way to make an adverb is to add -ly to the adjective form. In this case, accidental (adjective) + ly = accidentally (adverb).
Accidentaly is incorrect for the same reason as above; both L’s are retained in the adverb form.
Acsidentaly is incorrect because the base word, i.e. accident, has two L’s and both of them are retained in the adverb form.
Acidentally is incorrect because ac and ci are two separate syllables, so both C’s have to be retained.
Give Me…Four?
The spectacled salamander, also known as the salamandrina terdigitata, is a European species of salamanders found in both central and southern regions of Italy. Unlike all of the other European salamander species, it has four fingers instead of five on its hind legs. Another interesting feature of the species is that it does not secrete substances that are as toxic as those of other salamanders, even though its dark coloring would suggest otherwise. Typically, the presence of these salamanders denotes a healthy environmental status in the surrounding area. As such, they are most often found in lush forests with a high humidity rate and clear streams. The climate and other elements help the species stay cool without having to enter the water. In fact, only females enter water in order to lay their eggs in the early summer months. After a few months, these eggs hatch, which triggers the metamorphosis stage that leads to adulthood. Once the metamorphosis stage has completed, male spectacled salamanders spend their time on land and avoid the water.
Which of the answer choices presents a valid inference based on the given information?
1. The metamorphosis stage must be prompted by a change in temperature.
2. Male spectacled salamanders cannot survive in the water.
3. Other European salamander species usually have five fingers on their hind legs.
4. Darker-toned salamanders tend to produce matter that is more poisonous than other types.
What is 4
The passage states, “Another interesting feature lies in the fact that it does not secrete substances that are as toxic as those of other salamanders, even though its dark coloring would suggest otherwise.” This tells us that the spectacled salamander is not as dangerous as other salamanders when it comes to its toxic secretions. Based on the last half of the answer, we can infer that darker salamanders produce matter that is more poisonous than that of the spectacled salamander.
The primary function of the ________________ is to deliver blood to the brain.
1. subclavian artery
2. brachial artery
3. carotid artery
4. aorta
What is 3
Answer: carotid artery
The carotid artery is located on the lateral aspect of the neck area and is actually a pair of arteries. Thus we have a right and a left carotid artery. The left carotid artery branches directly off of the aorta, while the right carotid artery branches off of the brachiocephalic artery (this split creates the right carotid artery and the right subclavian artery). Each of the carotid arteries eventually split into an external and internal carotid, which supply blood to different regions of the head and brain. This split is the location of the carotid sinus, a widening of the artery that contains receptors that detect blood pressure changes.
While the aorta is an extremely important artery, it is not specific to supplying blood to the brain, but to the entire body.
The brachial artery is found in the upper arm.
The subclavian arteries (right and left) account for 2 of the 3 primary branches extending from the aorta. The subclavian arteries give rise to the arteries in the upper extremities.
Solve 54.721 + 32.15
1. 86.736
2. 22.571
3. 57.936
4. 86.871
What is 4
Step 1: Line up the numbers by their decimal point.
54.721 + 32.15
Would look like:
54.721
+ 32.15
Now all of our place values are lined up.
Step 2: Fill in any empty spots with a placeholder zero.
54.721
+ 32.150
Step 3: Add like normal.
54.721
+ 32.150
86.871
54.721 + 32.15 is equal to 86.871.
Which of the following words is spelled correctly?
1. deterrance
2. excelence
3. occurrence
4. repelent
What is 3
Occurrence is correct because when a word ends in a consonant preceded by a vowel, the consonant is doubled before adding a suffix that begins with a vowel.
Deterrance is incorrect because the suffix should be -ence.
Excelence is incorrect because the L should be doubled.
Repelent is incorrect because the L should be doubled.
Which of the answer choices presents a valid inference based on the following information?
After hearing a strange noise in the next room, Beth tiptoed slowly to the hallway and scanned the area for potential self-defense weapons. To her relief, she noticed a pile of large books that had fallen after her cat had pushed them off the tall bookshelf.
1. Beth has just moved into the house and feels unsafe.
2. Beth lives in an area with a high crime rate.
3. Beth’s cat can climb on furniture.
4. Beth is an avid reader.
What is 3
The text includes the phrase, “after her cat had pushed them off the tall bookshelf” which allows us to infer that Beth’s cat can climb onto her furniture.
Which of the following comparisons between arteries and veins is true?
1. Veins have thick, muscular walls, while arteries have thin, more compliant walls.
2. Veins have a smaller diameter than arteries.
3. Veins carry freshly oxygenated blood from tissue back to the heart, while arteries carry oxygen-depleted blood away from the heart.
4. Veins have valves, and arteries do not.
What is 4
Answer: Veins have valves, and arteries do not.
Due to the lower pressure in the venous system and the fact that most blood is trying to return back to the heart against the force of gravity, veins have valves that prevent blood from moving backwards.
Veins do not contain thick, muscular walls like arteries do. If venous walls were thick like arterial walls, there would be more resistance for blood flowing into veins. Since blood in the venous side is already under a lower pressure, this would create a problem for blood to return to the heart. Arteries have thick muscular walls due to the higher pressure of blood flow in the arterial side of circulation.
Veins carry blood that is leaving tissue after it has unloaded oxygen, therefore they carry oxygen-depleted blood, along with metabolic waste back towards the heart. Venous blood carries oxygen-deficient blood back to the heart. Arteries carry oxygen-rich blood from the heart to tissues where oxygen can be delivered and used for cellular respiration.
Due to the higher pressure in which arterial blood must flow, arteries have thicker walls and smaller lumen, or diameter, as compared to veins. Veins are often considered to be capacitance vessels as they carry a larger volume of blood, and have thinner walls, and greater wall compliance to accommodate the higher volume of blood.
Solve 572.694 – 341.28
1. 569.2812
2. 231.414
3. 538.56
4. 913.974
What is 2
Step 1: Line up the numbers by their decimal point.
572.694 – 341.28
Would look like:
572.694
– 341.280
Now all of our place values are lined up.
Step 2: Fill in any empty spots with a placeholder zero.
572.694
– 341.280
Step 3: Subtract like normal.
572.694
– 341.280
231.414
572.694 – 341.28 is equal to 231.414.
Which of the following is spelled correctly, showing an exception to a spelling rule?
1. dramatically
2. publicly
3. basically
4. frantically
What is 2
Publicly is correct because it is spelled correctly but breaks the -ic rule, so it is an exception. The rule states, “To make the adverb form of an adjective ending in -ic, add -al before adding the -ly”.
Basically is incorrect because it follows the -ic rule.
frantically is incorrect because it follows the -ic rule.
Dramatically is incorrect because it follows the -ic rule.
About dogs
Their behavior can tell us a lot about their personalities, but there are some myths that revolve around dogs’ nature. The misconception that large dogs are more aggressive than small ones still exists so does that of believing that it is normal for dogs to have bad breath. Unfortunately, persistent bad breath could be a sign of tooth decay or gum disease. It is also believed that dogs can only see in black and white. However, this is not true, as they are able to distinguish some colors.
Among many myths, a true fact is that dogs have played an important role in society throughout history. Dogs are able to track and catch prey during hunting trips without eating it and can help shepherds with their sheep and cows. Nowadays, dogs are often employed to trace illegal drugs and explosives in public places, and during rescue missions, we rely on dogs to find people in danger. Some are trained to become guide dogs to assist people with vision impairment. However, most dogs can be great companions to the elderly and families with young children.
Which of the sentences from the passage best presents the topic of the passage?
1. Dogs are able to track and catch prey during hunting trips without eating it and can help shepherds with their sheep and cows.
2. The misconception that large dogs are more aggressive than small ones still exists, so does that of believing that it is normal for dogs to have bad breath.
3. Their behavior can tell us a lot about their personalities, but there are some myths that revolve around dogs’ nature.
4. Among many myths, a true fact is that dogs have played an important role in society throughout history.
What is 4
Among many myths, a true fact is that dogs have played an important role in society throughout history is correct because this sentence mentions both the myths and the truth about the role of dogs in our lives. These details reflect the topic of the passage.
Their behavior can tell us a lot about their personalities, but there are some myths that revolve around dogs’ nature is incorrect because this sentence only refers to the topic of the first paragraph, not that of the whole passage.
Dogs are able to track and catch prey during hunting trips without eating it and can help shepherds with their sheep and cows is incorrect because this sentence reflects supporting details about the second paragraph, but does not communicate the main idea of the passage as a whole.
The misconception that large dogs are more aggressive than small ones still exists, so does that of believing that it is normal for dogs to have bad breath. This is incorrect because this sentence covers supporting details about the first paragraph, but does not communicate the main idea.
The condition ________________ can often lead to ________________ due to buildup and blockage of coronary arteries, preventing blood flow to the myocardium.
1. atherosclerosis; stroke
2. atherosclerosis; myocardial infarction
3. arteriosclerosis; myocardial infarction
4. arteriosclerosis; stroke
What is 2
Answer: atherosclerosis; myocardial infarction
Atherosclerosis is the buildup of plaque inside the arteries. If the plaque buildup is severe, a blockage can result, preventing blood flow to the associated heart tissue. This is a myocardial infarction, or heart attack. This can also occur if a plaque ruptures, travels through the vessels, and becomes lodged in a coronary artery.
Arteriosclerosis is the hardening and narrowing of the blood vessels and though blood flow can be restricted, this is not the cause of buildup or blockage.
A stroke can occur if a blood vessel in the brain becomes blocked by an embolism (embolism is the word we use for any material that blocks a blood vessel).
It takes 8.25 hours to travel 495 miles in your car. What is the average number of miles travelled per hour?
1. 80
2. 60
3. 55.7
4. 45.5
What is 2
Step 1: Interpret the Problem
First, we must understand what is happening in this situation. We know how long it takes for the car to travel the given distance. To find the average number of miles travelled per hour, we need to take the ratio of the distance travelled to the time it takes to travel that distance so, we have a division problem.
Step 2: Set Up Your Problem
We need to divide 495 by 8.25.
495 ÷ 8.25
We have to convert the divisor, i.e., 6.3, into a whole number by moving the decimal point 2 units to the right. The divisor becomes 825. We then move the decimal point 2 decimal places to the right in the dividend, i.e.,495 becomes 49500. The new division problem that we have to work out then becomes 49500 ÷ 850.
Step 3: Divide Like Normal
Since the remainder is 0, the quotient of 60 is our answer. So, the average velocity is 60 miles per hour.
Which of the following uses the change the final Y to I before adding a suffix rule correctly?
1. happiest
2. lovelyest
3. joious
4. staiing
What is 1
Happiest is correct because the final –y is changed to an i before the suffix -est is added.
Lovelyest is incorrect because the –y has not been changed.
Joious is incorrect because it violates the rest of the rule, which states, “…unless the final –y is preceded by a vowel”.
Staiing is incorrect because the final –y is preceded by a vowel, so the –y shouldn’t change.
Business culture
When traveling abroad for business, learning the local business etiquette is more important than learning the language, as most international deals are conducted in English. In Japan, for example, receiving someone’s business card with both hands, taking some time to admire it before carefully placing it in your cardholder shows your respect for your business counterpart. In many countries, meetings are often carried out during a meal. In these occasions, the host usually pays and, as a guest, offering to pay would cause great offence. However, in Mexico, your host may interpret your suggestion to discuss business at a restaurant as a romantic proposal.
What is the main idea of the passage?
1. Adapting to local business customs avoids embarrassing situations.
2. It is a Japanese custom to start interactions by exchanging business cards.
3. Learning the language of your host can enhance your business skills.
4. Appropriate table manners are necessary for successful business.
What is 1
Adapting to local business customs avoids embarrassing situations is correct. This is correct because the paragraph describes some misunderstandings that might occur during international business transactions when the guest is unaware of the local customs.
Learning the language of your host can enhance your business skills is incorrect because the passage states that “learning the local business etiquette is more important than learning the language”.
Appropriate table manners are necessary for successful business is incorrect because carrying out business deals during meals is only one example of international business situations. It is not the main idea of the passage.
It is a Japanese custom to start interactions by exchanging business cards is incorrect because exchanging business cards is only one example of international business situations. It is not the main idea of the passage.
The _________________ carries oxygen depleted blood away from the heart, while the ________________ carries oxygen-rich blood back towards the heart.
1. vena cava; pulmonary artery
2. aorta; pulmonary artery
3. pulmonary artery; pulmonary vein
4. pulmonary vein; pulmonary artery
What is 3
Answer: pulmonary artery; pulmonary vein
The pulmonary artery carries blood from the right ventricle to the lungs, where it can pick up oxygen. Therefore, oxygen-depleted blood is carried in the pulmonary artery. This is contrary to most arteries, which typically carry oxygen-rich blood. Once the blood is oxygenated in the lungs, it returns to the heart at the left atrium through the pulmonary vein.
Once blood has been oxygenated and returns to the left side of the heart, it can be ejected by the left ventricle throughout the body via the aorta.
The vena cava returns oxygen depleted blood to the right atrium.
To make money for his spring vacation, Blake mows yards and sells finger skateboards that he makes. Blake mowed 8 yards and sold 15 finger skateboards. If he made $35 for each yard he mowed and $12.25 for each skateboard he sold, how much money did Blake make for his vacation?
1. 708.75
2. 623.00
3. 352.25
4. 463.75
What is 4
Step 1: Interpret the problem
First, we must understand what is happening in this situation. To find how much money Blake made for his vacation, we need to add the amount he made mowing yards and the amount he made selling finger skateboards.
Step 2: Calculate the amount of money Blake made mowing yards and selling skateboards
Amount Made Mowing Yards:
To find the amount of money Blake made mowing yards, we can multiply the amount he makes mowing a yard by the number of yards he mows.
35
✖ 8
Multiply Like Normal
4
35
× 8
280
So, Blake made $280 mowing yards.
Amount Made Selling Finger Skateboards:
To find the amount of money Blake made selling finger skateboards, we can multiply what he makes per skateboard by the number of skateboards he sells. Remember, with decimals, we pretend as if the decimals are not there. We do not line up numbers by their decimal point
12.25
✖ 15
Multiply Like Normal
11 2
12.25
× 15
6125
+ 12250
18375
Put the Decimal Place in the Right Location
Since there are 2 numbers to the right of the decimal point in the problem, there will be 2 numbers that are behind the decimal in the product. Therefore, the decimal point goes between the 3 and the 7.
183.75
So, Blake made $183.75 selling finger skateboards.
Step 3: Total Amount Made for His Vacation
Add the amounts Blake made for mowing yards and selling finger skateboards.
Line Up the Numbers By Their Decimal Point
280 + 183.75
It would look like this:
280
+ 183.75
Now all of our place values are lined up.
Add like normal. Regroup if necessary.
1
280.00
+183.75
463.75
So, Blake made a total of $463.75 for his spring vacation.
Which of the following uses the I-E or E-I rule correctly?
1. protein
2. cieling
3. weight
4. concieve
What is 3
weight is correct because the ei not ie makes a long A sound.
concieve is incorrect because ei, rather than ie, should follow a C.
cieling is incorrect because ei, rather than ie, should follow a C.
protein is incorrect because it is an exception to the rule.
Differences
Many believe that what makes humans different from animals is the ability to solve difficult problems and to feel emotions like joy and sorrow. Many biologists affirm that understanding these differences is a complex process. By observing a Caledonian crow solve a problem that impedes it from reaching its drinking water, it appears evident that some animals are able to find solutions to practical issues as humans would. Similarly, watching a single raven slide down a snowy roof countless times on a piece of plastic for no practical reasons could be a sign that they are partaking in a bit of fun and perhaps feeling joy. It seems that we might need to rethink our beliefs on what makes us different from animals after all.
Which of the following states the main idea of the passage?
1. Humans are able to have fun and solve practical problems.
2. Both animals and humans can find ways to entertain themselves.
3. Evidence shows that animals possess problem-solving skills.
4. Animals and people might be more similar than we think.
What is 4
Animals and people might be more similar than we think is correct because it includes both of the subjects (animals and humans) and the topic (assumptions about differences between animals and humans), which is supported by examples in the passage.
Evidence shows that animals possess problem-solving skills is incorrect because it provides only one subject (animals) and one example of the alleged differences (problem-solving skills) out of the two presented in the passage.
Both animals and humans can find ways to entertain themselves is incorrect because it provides only one example of the alleged differences (i.e. ways to entertain themselves) out of the two presented in the passage.
Humans are able to have fun and solve practical problems is incorrect because it includes only one subject (humans) out of the two included in the passage. The passage is also about animals and must be noted in order to convey the main idea.
Which of the following describes what would happen during a period of hyperventilation?
1. Decreased carbon dioxide levels result in an increase in pH
2. Increased oxygen uptake results in greater tissue perfusion
3. Increased carbon dioxide levels result in an increase in pH
4. Decreased carbon dioxide levels result in a decrease in pH
What is 1
Answer: Decreased carbon dioxide levels result in an increase in pH
Hyperventilation is the increase in breathing rate beyond the normal rate. When this happens, more carbon dioxide than needed is exhaled lowering the carbon dioxide levels in the blood. As a compensatory mechanism to increase carbon dioxide levels, hydrogen ions are used, creating more bicarbonate as a byproduct and increasing the pH.