RPF Constable practice question
The average weight of 25 persons decreases by 1 kg when a person is replaced by a new person weighing 76 kg. Find the weight of the person who left.
From a RPF Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (B) 51 kg
Old weight = new weight + n×d = 76 + 25×1 = 51 kg.
पुराना वजन = नया वजन + n×d = 76 + 25×1 = 51 किग्रा।
हिंदी में प्रश्न
25 व्यक्तियों का औसत वजन 1 किग्रा घट जाता है जब एक व्यक्ति के स्थान पर 76 किग्रा वजन वाला नया व्यक्ति आ जाता है। जाने वाले व्यक्ति का वजन ज्ञात करें।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (B) 51 किग्रा
Old weight = new weight + n×d = 76 + 25×1 = 51 kg.
पुराना वजन = नया वजन + n×d = 76 + 25×1 = 51 किग्रा।
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