The average weight of 20 students in a class is 44 kg and that of the remaining 10 student is 38 Fin...........

Quantitative Aptitiude (CLAT) Average

The average weight of 20 students in a class is 44 kg and that of the remaining 10 student is 38. Find the average weights of all the students the class:

39 kg

43 kg

41 kg

42 kg

Explanation:

Solution: Total weight of 20 student = 20 × 44 = 880
Total weight of 10 student = 10 × 38 = 380
Average weights of all the students = (880 + 380)/30 =1260/30 = 42 kg