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Total girls appeared in the exam from A = 12000 \(\times\) ... Total girls appeared in the exam from C = 9000 \(\times\) ... Total boys appeared in the exam from A and C together = 17910 - (3960 + 3456) = 10494 Total boys appeared in the exam from C = 10494 - 6048 = 4446 Total boys who did not appear in the exam from A = 12000 \(\times\) ... Total boys who did not appear in the exam from C = 9000 \(\times\) ... - 4446 Required difference = 672 - 234 = 438 What is the required difference?
- 400
- 420
- 438
- 450
Correct answer: 438
Solution
The question is an incomplete data-based calculation, but the working shown ends with the required values 672 and 234. Their difference is 672 - 234 = 438, which matches the given answer. So the correct option is 438.
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