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Option 2 : 25.2%
Given :
Total students enrolled are 5500
Total students passed are 3300
Calculations :
Number of students enrolled in P = 20% of 5500 = 1100
Number of students enrolled in Q = 30% of 5500 = 1650
Number of students passed in P = 18% of 3300 = 594
Number of students passed in Q = 24% of 3300 = 792
Average of students passed in P & Q = (594 + 792)/2 = 693
The required percentage = (693/2750) × 100
⇒ 25.2%
The correct choice is option 2.
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