Solve the Following Riddle. ​

question 9

Multiple Choice

Solve the following riddle. ​
I have 224 cents and 25 coins. I have the same number of quarters as pennies. Each type of coin worth less than 50 cents is used. What are the coins? ​

• A) 6 quarters, 8 dimes, 12 nickels, and 6 pennies
• B) 4 quarters, 7 dimes, 10 nickels, and 4 pennies
• C) 5 quarters, 8 dimes, 12 nickels, and 5 pennies
• D) 5 quarters, 7 dimes, 10 nickels, and 5 pennies
• E) 4 quarters, 8 dimes, 12 nickels, and 4 pennies

---

Definitions:

Stimulus Generalization

The tendency for the conditioned response to be evoked not only by the conditioned stimulus but also by stimuli similar to the conditioned stimulus.

Gradual Acquisition

The slow and incremental process of obtaining or developing skills, knowledge, or abilities over time.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response. In biology, the permanent loss of a species.

Fixed-Ratio

A schedule of reinforcement where a response is reinforced only after a specified number of responses, commonly used in learning and behavior analysis.