The average weight of 19 students is 15kg. by the admission of a new student the average weight is reduced to 14.4 kg. the weight of the new student is ?	Choose the correct choice from the following.
A) 10.6 kg
B) 3 kg
C) 11 kg
D) 14.9 kg
E) None
Answer   Weight of new student = Total weight of all 20 students - Total weight of initial 19 students   = (20 x 14.4 - 19 x 15) kg   = 3 kg.   Correct Option: 3 kg
<result>B</result>
The average weight of 19 students is 15kg. by the admission of a new student the average weight is reduced to 14.4 kg. the weight of the new student is ?