Practice Aptitude Test

1. If the radius of a circle is doubled, how does the area change?

It doubles

It triples

It quadruples

It increases by a factor of 8

2. Five fruits - Apple, Banana, Cherry, Date, and Elderberry - are arranged in order of their vitamin C content. If Cherry has more vitamin C than Date but less than Banana, and Apple has the least vitamin C, what is the correct order from highest to lowest?

Elderberry, Banana, Cherry, Date, Apple

Banana, Elderberry, Cherry, Date, Apple

Elderberry, Cherry, Banana, Date, Apple

Banana, Cherry, Elderberry, Date, Apple

3. SAILOR : NAVY :: PILOT : ?

Airplane

Airport

Air Force

Sky

4. A researcher is investigating the effect of a new drug on the growth of bacteria. They inoculate 4 petri dishes with the same strain of bacteria and expose them to different concentrations of the drug. After 24 hours, they measure the diameter of the bacterial colonies in each dish. Which of the following is the best way to analyze the data and determine the effect of the drug concentration on bacterial growth?

Calculate the average diameter of the bacterial colonies in each dish

Plot the diameter of the bacterial colonies against the drug concentration

Perform a statistical test to determine if there is a significant difference in the bacterial colony diameters between the dishes

All of the above

5. A company advertises: "Our product is endorsed by a famous actor, so it must be high quality." What logical fallacy is present in this claim?

Appeal to authority

Bandwagon fallacy

False cause

Hasty generalization

6. A researcher is investigating the effect of different pH levels on the activity of an enzyme. They set up five test tubes, each containing the same amount of enzyme and substrate, but with different pH levels. After a fixed time, they measure the amount of product formed in each test tube. Which of the following is the best way to analyze the data and determine the effect of pH on enzyme activity?

Calculate the average amount of product formed in each test tube

Plot a graph of the pH vs. the amount of product formed

Perform a statistical analysis to determine if there is a significant difference in the amount of product formed between the test tubes

All of the above

7. A box contains 3 red marbles, 4 blue marbles, and 5 green marbles. If two marbles are drawn at random without replacement, what is the probability that both are green?

1/6

5/22

1/4

1/3

8. A company introduces a new product and sees a spike in sales. The CEO concludes that the new product is responsible for the increase in revenue. Which of the following, if true, would most weaken this conclusion?

The company launched a major advertising campaign at the same time

The new product is priced higher than similar products in the market

Customer reviews of the new product are mostly positive

The company's main competitor recently went out of business

9. Everyone in the office loves the new coffee machine. I work in the office. Therefore, I must love the new coffee machine. What type of reasoning is this?

Deductive reasoning

Inductive reasoning

Abductive reasoning

Fallacious reasoning

10. Eight friends A, B, C, D, E, F, G, and H are sitting in a straight line facing north. C sits third to the right of F. B sits second to the left of E. D is not an immediate neighbor of C. G sits third to the left of A. H sits on the immediate right of A. Who sits at the extreme right end of the line?

E

B

D

C