Question:
In a class of 50 students one who weighs 40 kg leaves the school and in his place a new student is admitted. Now the average weight of the class is reduced by 100 grams. Find the weight of the new student.
A35 kg
B28 kg
C25 kg
D21 kg
Answer:
A. 35 kg
Explanation:
Total weight reduced = 100 x 50 - 5000 g = 5 kg Weight of new student = 40 - 5 = 35 kg