The average weight of a class of 30 students is 42 kg. If the weight of the teacher be included, the average weight increases by 500 g. Find the weight of the teacher.
A55 kg
B60.5 kg
C57.5 kg
D60
No.1 PSC Learning App
★
★
★
★
★
Related Questions:
The numbers 6, 8, 11, 12, 2x - 8, 2x + 10, 35, 41, 42, 50 are written in ascending order. If their median is 25, then what is the mean of the numbers?
The average salary per head of all the employees of an institution is Rs.60. The average salary of 12 officers is Rs.400, the average salary per head of the rest is Rs.56.The total number of employees in the institution is:
The average age of 12 students is 20 years. If the age of one more student is included, the average decreased by 1. What is the age of the new student?
The average of 18 numbers is 30. The average of 1st 8 numbers is 17 and the average of the last 8 numbers is 25. What is the average of the 9th and 10th numbers?
The average of eight numbers is 20. The average of five of these numbers is 15. The average of the remaining three numbers
is