SSC GD Constable previous year question
There are 30 members in group A, 76 members in group B and 44 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 ₹249, ₹168 and ₹498, respectively. The total average amount (in ₹) spent per member is:
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 3 · Quantitative Aptitude
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Correct answer: (C) 281
Total spent = 30×249+76×168+44×498 = 7470+12768+21912 = 42150; total members = 150; average = 42150/150 = 281.
हिंदी में प्रश्न
समूह A में 30 सदस्य, समूह B में 76 सदस्य और समूह C में 44 सदस्य हैं। इन समूहों के सभी सदस्य एक रेस्तरां गए। समूह A, B और C के प्रत्येक सदस्य पर खर्च की गई औसत राशि क्रमशः ₹249, ₹168 और ₹498 है। प्रति सदस्य खर्च की गई कुल औसत राशि (₹ में) है:
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सही उत्तर: (C) 281
कुल खर्च = 30×249+76×168+44×498 = 7470+12768+21912 = 42150; कुल सदस्य = 150; औसत = 42150/150 = 281।
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