[wpseo_breadcrumb] The average weight of 25 boys in a class is 48 kgs. The average weight of the class of 40 students is 45 kgs. What is the average weight of the 15 girls in the class? A. 42.5 kg B. 44 kgs C. 40 kgs D. 42 kgs Answer Workspace Report Discuss Answer with explanation Answer: Option C Explanation Total weight of boys in the class = 25 *48 = 1200 kgs Total weight of all students in the class = 45 * 40 = 1800 kgs Total weight of the girls in the class = 1800 – 1200 = 600 kgs Average weight of girls = = 40 kgs Workspace
= 40 kgs
Discuss about the question