CTET Paper I (Classes I to V) 1 Jan 2022 Solved Paper

Concept:The mean is found by dividing the total weight by the number of students. Correct the total by replacing the wrong value with the correct one.Explanation:First, find the incorrect total weight. Multiply the incorrect mean by the number of students: $38.2 \times 8 = 305.6$ kg.This total includes the wrong weight 29.5 kg. Remove that and add the correct weight 25.9 kg.Correct total weight = $305.6 - 29.5 + 25.9 = 302$ kg.Now, divide by the number of students to get the correct mean: $302 \div 8 = 37.75$ kg.Answer:37.75 kg (Option A)