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Directions: Statement is given followed by two inferences I and II. You have to consider the statement to be true even if it seems to be at variance from the commonly known facts. You have to decide which of the given inferences, if any, follow from the given statement?

Statement: In a 1993 study, researchers found that ultraviolet exposure from sitting under fluorescent lights for eight hours is equivalent to one minute of sun exposure.

Inferences:

I: Fluorescent lights emit ultraviolet light.

II: The amount of ultraviolet rays emitted from sunlight is much more than the fluorescent lights.

  1. Only inference I follows
  2. Only inference II follows
  3. Both inferences follow
  4. None of the inference follows

Answer (Detailed Solution Below)

Option 3 : Both inferences follow
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Detailed Solution

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From the information provided in the statement, we can easily infer that fluorescent lights emit ultraviolet light which are compared to the ultraviolet emission of the sun.
Therefore, inference I follows.

Similarly, we can also infer that the amount of ultraviolet rays emitted from sunlight is much more than the fluorescent lights.
The comparison of eight hours of fluorescent light and one minute of sun helps us to infer the above statement.
Therefore, inference II follows.

Hence, Both inferences follow.

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