The average weight of some students in a class is 58.4 kg. was When 62.8 kg. Other 5 students with average weight...

The average weight of some students in a class was 58.4kg. When 5 students having the average weight 62.8 kg joined the class, the average weight of all the students in the class increased by 0.55 kg. The number of students initially in the class were: एक कक्षा में कुछ छात्रों का औसत वज़न 58.4 किलो ग्राम था | जब 62.8 किलो ग्राम औसत वज़न वाले 5 छात्र इस कक्षा में आते हैं, तो कक्षा के सभी छात्रों का औसत वज़न 0.55 किलो ग्राम बढ़ जाता है | आरंभ में कक्षा में छात्रों की संख्या कितनी थी ?

The average weight of 29 students in a class is 48 kg. If the weight of the teacher is included, the average weight rises by 500 g. Find the weight of the teacher

The average weight of students in a class was 60.5 kg. When & students, whose average weight was 65 kg, joined the class, then the average weight of all the students increased by 0.9 kg. The total number of students now in the class is:

The average weight of 30 students in a class is 25kgs. If the weight of the class teacher is added, the average weight increase by 2kgs. The weight of the class teacher (in kgs) is A. 86 B. 84 C. 81 D. 87

The average weight of the students of a class is 60kg. If eight new students of average weight 64kg join the class,the average weight of the entire class becomes 62kg. How many students were there in the class initially.

The average weight of students in a class is 43 kg. Four new students are admitted to the class whose weights are 42 kg, 36.5 kg, 39 kg and 42.5 kg respectively. Now the average weight of the students of the class is 42.5 kg. The number of students in the beginning was

The average weight of 29 students is 28 kg. by the admission of a new student, the average weight is reduced to 27.8 kg. The weight of the new student is