UP Police Constable practice question
Batch 1 of a coaching institute has 50 students with an average score of 55 marks, and Batch 2 has 30 students with an average score of 75 marks in the same test. What is the combined average score of both batches together?
From a UP Police Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (B) 62.5 marks
Total number of students = 50 + 30 = 80. Sum of values for the first group = 50 × 55 = 2750. Sum of values for the second group = 30 × 75 = 2250. Combined sum = 2750 + 2250 = 5000. Combined average = 5000 ÷ 80 = 62.5 marks.
हिंदी में प्रश्न
एक कोचिंग संस्थान के बैच 1 में 50 विद्यार्थी हैं जिनका औसत अंक 55 है, और बैच 2 में 30 विद्यार्थी हैं जिनका उसी परीक्षा में औसत अंक 75 है। दोनों बैचों को मिलाकर संयुक्त औसत अंक कितना है?
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सही उत्तर: (B) 62.5 अंक
कुल विद्यार्थियों की संख्या = 50 + 30 = 80. पहले समूह का कुल योग = 50 × 55 = 2750. दूसरे समूह का कुल योग = 30 × 75 = 2250. संयुक्त योग = 2750 + 2250 = 5000. संयुक्त औसत = 5000 ÷ 80 = 62.5 अंक.
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