Question

The average weight of the students in a group was 73.4 kg. Later on, four students having weights as 71.9kg, 70.8 kg, 76.5 kg and 86.4 kg, joined the group. As a result, the average weight of all the students in the group increased by 0.24 kg. What was the number of students in the group initially?

• A. 51
• B. 42
• C. 46
• D. 49

Answer 1

Answer: (C)