Question : Directions: Select the Venn diagram that best illustrates the relationship between the following classes.
Spectacles, Lens, Mirror
Option 1: 
Option 2: 
Option 3: 
Option 4: 
Correct Answer:
Solution :
Based on the general information, the lens is used in the spectacles. So, the circle that represents the lens will lie inside the circle that represents spectacles. But, the mirror is not related to spectacles and lenses. So, the circle that represents the mirror will be drawn separately from the other two circles.
Therefore, the Venn diagram is as follows –
Hence, the fourth option is correct.
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