Question: An engineer has 4 different types of screws and 3 different types of bolts. How many different combinations of screws and bolts can the engineer choose from?
a) 7
b) 12
c) 4
d) 3
Show answer
Answer: b) 12
Question: A circuit board can be assembled using 5 different microchips and 6 different resistors. How many different ways can the microchip and resistor be paired?
a) 11
b) 30
c) 1
d) 15
Show answer
Answer: b) 30
Question: An engineer is designing a car and has 3 types of engines, 2 types of transmissions, and 4 types of tires to choose from. How many different car designs are possible?
a) 24
b) 9
c) 6
d) 12
Show answer
Answer: a) 24
Question: There are 5 types of sensors and 7 types of actuators available for a robotics project. How many different combinations of sensors and actuators can be used?
a) 12
b) 35
c) 7
d) 5
Show answer
Answer: b) 35
Question: There are 6 different investment strategies and 4 different risk assessment tools. How many different combinations can an economist evaluate?
a) 24
b) 10
c) 20
d) 6
Show answer
Answer: a) 24
Question: A doctor can prescribe 4 different medications and 3 different dosage schedules. How many different prescription options are available?
a) 7
b) 12
c) 4
d) 3
Show answer
Answer: b) 12
Question: A patient can choose between 5 types of treatments and 2 types of follow-up plans. How many different treatment plans can be created?
a) 10
b) 7
c) 5
d) 2
Show answer
Answer: a) 10
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