PrepTest 71, Section 2, Question 17

Difficulty:

If a motor is sound-insulated, then it is quiet enough to use in home appliances. If a motor is quiet enough to use in home appliances, then it can be used in institutional settings. None of the motors manufactured by EM Industries are quiet enough to use in home appliances.

If a motor is sound-insulated, then it is quiet enough to use in home appliances. If a motor is quiet enough to use in home appliances, then it can be used in institutional settings. None of the motors manufactured by EM Industries are quiet enough to use in home appliances.

If a motor is sound-insulated, then it is quiet enough to use in home appliances. If a motor is quiet enough to use in home appliances, then it can be used in institutional settings. None of the motors manufactured by EM Industries are quiet enough to use in home appliances.

If a motor is sound-insulated, then it is quiet enough to use in home appliances. If a motor is quiet enough to use in home appliances, then it can be used in institutional settings. None of the motors manufactured by EM Industries are quiet enough to use in home appliances.

Question

17

If the statements above are true, which one of the following must be true?

If a motor can be used in institutional settings, then it is sound-insulated.

None of the motors manufactured by EM Industries are sound-insulated.

At least some of the motors manufactured by EM Industries can be used in institutional settings.

If a motor is quiet enough to use in home appliances, then it is sound-insulated.

None of the motors manufactured by EM Industries can be used in institutional settings.

B

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