The average weight of 14 students of a class is 20 kg. If a student leaves the class, the average weight of the class drops by 2 kg. Find the weight of the student (in kg) who left the class.

Question

PYQPulse · Accepted Answer

46

PYQPulse · Answer

Explanation: Average weight of 14 students =20kg. Total weight =20×14=280kg. After a student leaves a class then average =20-2 =18kg Total weight of 13 student =13×18=234 kg. Weight of a student who left the class =280-234=46 kg.

The average weight of 14 students of a class is 20 kg. If a student leaves the class, the average weight of the class drops by 2 kg. Find the weight of the student (in kg) who left the class.

Answer: C. 46

Explanation

The average weight of 14 students of a class is 20 kg. If a student leaves the class, the average weight of the class drops by 2 kg. Find the weight of the student (in kg) who left the class.

Answer: C. 46

Explanation