SSC GD Constable previous year question
The average weight of 27 students in a class is 53 kg. If the teacher's weight is included, the average increases by 700 grams. Find the weight of the teacher (in kg).
Asked in SSC GD Constable 2025: 06 Feb 2025 Shift 3 (Evening) · Quantitative Aptitude
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Correct answer: (D) 72.6
New average = 53.7 kg for 28 people. Teacher's weight = (28 × 53.7) − (27 × 53) = 1503.6 − 1431 = 72.6 kg.
हिंदी में प्रश्न
एक कक्षा के 27 विद्यार्थियों का औसत वजन 53 kg है। यदि शिक्षक का वजन शामिल कर लिया जाता है, तो औसत में 700 ग्राम की वृद्धि हो जाती है। शिक्षक का वजन (kg में) ज्ञात कीजिए।
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सही उत्तर: (D) 72.6
नया औसत = 28 व्यक्तियों के लिए 53.7 kg। शिक्षक का वजन = (28 × 53.7) − (27 × 53) = 1503.6 − 1431 = 72.6 kg।
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