तालिका—P: हिंदी 74, गणित 79; Q: हिंदी 78, गणित 82; R: हिंदी 82, गणित 85; S: हिंदी 86, गणित 88. R के दोनों विषयों के अंकों का अंतर कितने हैं?
Correct Answer: B. 3
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Correct answer: B. 3