A lamp manufacturer designed five lamp bases and four lampshades that could be used together. How many different arrangements of base and shade can be offered?
A)5
B)10
C)15
D)20

Question

Quizplus · Accepted Answer

For each of the 5 lamp bases, there are 4 different lampshades that can be paired with it. Therefore, there are a total of 5 x 4 = 20 different arrangements of base and shade that can be offered. Therefore, the correct answer is D, 20.

A Lamp Manufacturer Designed Five Lamp Bases and Four Lampshades