SSC GD Constable previous year question
Group A has 30 members, group B has 76 members and group C has 44 members. All members of these groups went to a restaurant. The average amount spent by each member of group A, group B and group C is ₹249, ₹168 and ₹498 respectively. Find the overall average amount (in ₹) spent per member.
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 3 (Evening) · Quantitative Aptitude
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Correct answer: (A) 281
Total spend = 30×249+76×168+44×498 = 7470+12768+21912 = 42150. Total members = 150. Overall 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 रेस्तरां गए। समूह A, समूह B और समूह 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) ज्ञात कीजिए।
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सही उत्तर: (A) 281
कुल खर्च = 30×249+76×168+44×498 = 7470+12768+21912 = 42150। कुल सदस्य = 150। कुल औसत = 42150/150 = ₹281।
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