RPF Constable previous year question
The average weight of 20 students in a class is 40 kg. If the teacher, who weighs 58 kg, is also included, find the new average weight.
Asked in RPF Constable 2025: Shift 20 · Quantitative Aptitude
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Correct answer: (C) 40.86
Total weight = 20×40 = 800 kg. New total = 800+58 = 858 kg. New average = 858/21 = 40.86 kg.
हिंदी में प्रश्न
एक कक्षा के 20 छात्रों का औसत वजन 40 किग्रा है। यदि शिक्षक, जिनका वजन 58 किग्रा है, को भी शामिल कर लिया जाए, तो नया औसत वजन ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 40.86
कुल वजन = 20×40 = 800 किग्रा। नया कुल = 800+58 = 858 किग्रा। नया औसत = 858/21 = 40.86 किग्रा।
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