SSC GD Constable previous year question
Group A has 38 members, group B has 31 members, and group C has 52 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 ₹375, ₹309, and ₹298 respectively. Find the overall average amount spent per member (in ₹).
Asked in SSC GD Constable 2025: 12 Feb 2025 Shift 2 (Afternoon) · Quantitative Aptitude
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Correct answer: (D) 325
Total spent = 38×375 + 31×309 + 52×298 = 14250+9579+15496 = ₹39325. Total members = 121. Average = 39325/121 = ₹325.
हिंदी में प्रश्न
समूह A में 38 सदस्य, समूह B में 31 सदस्य और समूह C में 52 सदस्य हैं। इन समूहों के सभी सदस्य एक रेस्तरां में गए। समूह A, समूह B और समूह C के प्रत्येक सदस्य पर खर्च की गई औसत राशि क्रमशः ₹375, ₹309 और ₹298 है। प्रति सदस्य खर्च की गई कुल औसत राशि (₹ में) ज्ञात कीजिए।
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सही उत्तर: (D) 325
कुल खर्च = 38×375 + 31×309 + 52×298 = 14250+9579+15496 = ₹39325। कुल सदस्य = 121। औसत = 39325/121 = ₹325।
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