Question : Directions: In the given figure, which number represents pens that are black but not red?
Option 1: 4
Option 2: 5
Option 3: 6
Option 4: 3
Correct Answer: 4
Solution : According to the question, need to determine the common region between black and pens but not common in red. In the below diagram, the shaded part represents pens that are black but not red.
Therefore, the region common to pens and black but not red is represented by the number 4. Hence, the first option is correct.
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