तालिका—P: हिंदी 81, गणित 86; Q: हिंदी 85, गणित 89; R: हिंदी 89, गणित 92; S: हिंदी 93, गणित 95. R के दोनों विषयों के अंकों का अंतर कितने हैं?
Correct Answer: B. 3
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Correct answer: B. 3