SSC GD Constable previous year question
There are 81 members in group A, 29 members in group B and 70 members in group C. All the members of these groups went to a restaurant. The average amount spent on each member of group A, B and C is ₹467, ₹117 and ₹378, respectively. The total average amount (in ₹) spent per member is:
Asked in SSC GD Constable 2025: 10 Feb 2025 Shift 1 · Quantitative Aptitude
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Correct answer: (C) 376
Total spent = 81×467 + 29×117 + 70×378 = 37827+3393+26460 = 67680; total members = 180; average = 67680/180 = 376.
हिंदी में प्रश्न
समूह A में 81 सदस्य, समूह B में 29 सदस्य और समूह C में 70 सदस्य हैं। इन समूहों के सभी सदस्य एक रेस्तरां गए। समूह A, B और C के प्रत्येक सदस्य पर औसत खर्च क्रमशः ₹467, ₹117 और ₹378 है। प्रति सदस्य कुल औसत राशि (₹ में) कितनी है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) 376
कुल खर्च = 81×467 + 29×117 + 70×378 = 37827+3393+26460 = 67680; कुल सदस्य = 180; औसत = 67680/180 = 376।
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