All Analytical and Logical Reasoning MCQs

Question 1

6x + 7y = 28 2x + 2y = 10The solution to the given system of equations is (x, y). What is the value of y ?

Accepted Answer

-2

Answer

7

Answer

14

Answer

18

Question 2

Data set A consists of the heights of 75 buildings and has a mean of 32 meters. Data set B consists of the heights of 50 buildings and has a mean of 62 meters. Data set C consists of the heights of the 125 buildings from data sets A and B. What is the mean, in meters, of data set C?

Accepted Answer

44

Answer

54

Answer

64

Answer

34

Question 3

The dot plots represent the distributions of values in data sets A and B.Which of the following statements must be true? I. The median of data set A is equal to the median of data set B. II. The standard deviation of data set A is equal to the standard deviation of data set B.

Accepted Answer

I only

Answer

II only

Answer

I and II

Answer

Neither I nor II

Question 4

Mr. Ali gave a quiz. The results for two of his classes are shown on the box and whisker plots below.Which statement best describe the quiz results?

Accepted Answer

The medians for the two classes are the same.

Answer

The lower extreme of Class B is greater than the lower extreme of Class A

Answer

Class B has a smaller range of scores in the upper quartile than Class A.

Answer

Class A performed better than Class B.

Question 5

A nurse has to record her temperature in Celsius but her thermometer reads Fahrenheit. A patient's temperature is 100.7°F. What is the temperature in °C?(C x 9/5) +32= F

Accepted Answer

38.2 °CStart by taking the number in Fahrenheit and subtracting 32. Then divide the number by 9, and then multiply it by 5. This is how you convert Fahrenheit to Celsius or use the equation C = (F - 32) Ã- 5/9In this case, the answer is about 38.167 degrees Celsius.

Answer

32 °C

Answer

36.5°C

Answer

213.3°C

Question 6

The dimensions of an examination room are 32 feet by 27 feet. If distance between chairs should be 4 feet in all directions and the size of each chair is 2 X 2 square feet, then the maximum number of chairs placed in the room is(Note: The distance from each wall is not necessarily 4 feet)

Accepted Answer

157

Answer

124

Answer

160

Answer

150

Question 7

Twenty flies are placed in each of four glass tubes. The tubes are sealed. Tubes I and II are partially covered with black paper; Tubes III and IV are not covered. The tubes are placed as shown. Then they are exposed to blue light for five minutes. The number of flies in the uncovered part of each tube is shown in the drawing.These data show that these flies respond to (respond means move to or away from):

Accepted Answer

Blue light but not gravity

Answer

Gravity but not the blue light

Answer

Both blue light and gravity

Answer

Neither blue light nor gravity

Question 8

Farmer Brown was observing the mice that live in his field. He discovered that all of them were either fat or thin. Also, all of them had either black tails or white tails. This made him wonder if there might be a link between the size of the mice and the color of their tails. So he captured all of the mice in one part of his field and observed them. Below are the mice that he captured Is there a link between the size of the mice and the color of their tails?

Accepted Answer

There appears to be a link between size and tail color

Answer

There appears not to be a link between size and tail color

Answer

It is impossible to make a reasonable guess about a link

Answer

The size of the mice causes the tail color to change

Question 9

A cleaning solution is used to remove limescale, CaCO3, from bathroom surfaces. When the solution is sprayed onto the limescale, effervescence (fizzing) occurs and the solid limescale begins to disappear. This chemical reaction is needed because the limescale cannot be removed with water alone. Which of the following statements about this chemical reaction are correct? 1 The cleaning solution is acidic. 2 The effervescence (fizzing) is caused by the release of hydrogen gas. 3 The pH of the reacting solution will go down as the reaction proceeds. 4 The salt produced in the reaction is more soluble than CaCO3

Accepted Answer

1 and 4 only

Answer

1 and 3 only

Answer

2 and 3 only

Answer

1, 3 and 4

Question 10

A news agent sells four different 'puzzle magazines. Information about these magazines is given in the following table. Hammad went into the newsagent yesterday to buy one of these magazines. He chose the one that offered him the least cost per puzzle.Which magazine did Hammad choose?

Accepted Answer

Puzzlemania

Answer

Thinking Today

Answer

Number Crunch

Answer

Mathematical Genius

Question 11

If 10 clothes are dried up together in 1 hour, in how many hours can 20 clothes be dried up together?

Accepted Answer

1 hour

Answer

2 hours

Answer

3 hours

Answer

4 hours

Question 12

I want to cut 10 identical rectangles each 6 cm x 10 cm, from rectangular plastic boards that are 15 cm x 20 cm. Each of the 10 rectangles must be cut out as one piece - joins are not allowed.What is the smallest number of plastic boards that I can use?

Accepted Answer

3

Answer

2

Answer

4

Answer

5

Question 13

Max comes from Belize, one of the few countries to use the month/day/year form for writing dates rather than day/month/year. His date of birth was written 5/4/1996 but mistaken to be 5th April instead of 4th May. How many days in a year give a valid but different date when read the wrong way?

Accepted Answer

132

Answer

66

Answer

72

Answer

144

Question 14

Mr and Mrs Porter drove down to see Sweeney. Mr Porter drove the first 20 km on the way there, and Mrs Porter drove the rest of the way. On the return journey, she drove the first 30 km and he drove the rest.How much farther did Mrs Porter drive than Mr Porter?

Accepted Answer

20 km

Answer

No farther

Answer

10 km

Answer

There is not enough information to work it out

Question 15

This morning I took my three children to an internet cafe. Jay used the internet for 37 minutes and was charged $17.40, whilst Kay's 56 minutes cost $20.25, and Harry had to pay $19.05 for the 48 minutes that he spent online. Which of the following formulae does this cafe use to charge for its internet facilities?

Accepted Answer

$11.85 + $0.15 per minute

Answer

$4.65 + $0.30 per minute

Answer

$8.15 + $0.25 per minute

Answer

$9.05 + $0.20 per minute

Question 16

An _ involves introducing a change to the treatment group, whereas in an _, the treatment group is based on current behavior.

Accepted Answer

Experiment; observational study

Answer

Observational study; experiment

Answer

Observational study; observational study

Answer

Experiment; experiment

Question 17

A urologist is a doctor who specializes in disorders of the urinary system. Which of the following patients is most likely to be treated by a urologist?

Accepted Answer

A patient with a painful kidney stone

Answer

A patient with low levels of iron in her blood

Answer

A patient with chronic indigestion

Answer

A patient with swollen veins in the anus, called hemorrhoids

Question 18

Genetically modified crops and livestock offer the possibility of greater yield and food quality, reductions in pesticide use, and higher profits for agricultural businesses. They are viewed by some as a way to help reduce world hunger by increasing food production and reducing losses to pests and varying environmental conditions. Each year, industrial agriculture relies more heavily on genetically modified crops. There are some concerns about our increasing use of genetically modified crops and livestock, including their safety for human consumption and their effects on the environment.Based on the passage above, if genetically modified crops were to be banned, what could be the largest negative impact to humans?

Accepted Answer

Decreases in food production worldwide

Answer

Introduction of new allergens into the food supply

Answer

Loss of genetic diversity in food crops

Answer

Increase in the amount of beneficial insects

Question 19

Battery companies make impressive claims about how long their batteries will last. A student decided to test the running time of different batteries to determine which battery lasts the longest. The student tested 6 different batteries, 4 brand name and 2 generic, using flashlights. The results show that the battery referred to as Name Brand A lasted the longest, with 101 hours of runtime: It could be argued that this experiment was not set up using proper experimental protocol. What would need to change in the experiment for the results to be valid?

Accepted Answer

The same flashlight should have been used to test each battery

Answer

The batteries should have all been either name brand or generic

Answer

Only two groups should have been tested at a time

Answer

The same battery should have been used in each flashlight

Question 20

Which of the following statements about photosynthesis is correct?

Accepted Answer

When 6 molecules of water are used, 1 molecule of glucose is produced

Answer

When 6 molecules of carbon dioxide are used, 1 molecule of oxygen is produced

Answer

When 1 molecule of water is used, 1 molecule of glucose is produced

Answer

When 1 molecule of glucose is produced, 12 molecules of oxygen are used

All Free Analytical and Logical Reasoning MCQs with Answers