- The average salary of the teachers of a school is Rs. 3000. When salary of
two more teachers is included, the average salary reduces by Rs. 100 and
the total salary increased by Rs. 4000. Now, find the number of teachers
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- The average salary of the teachers of a school is Rs. 3000. When salary of
two more teachers is included, the average salary reduces by Rs. 100 and
the total salary increased by Rs. 4000. Now, find the number of teachers
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Answer:
total no of teacher is 40
Verified answer
Answer:
number of teachers before two more teachers included are 18
Step-by-step explanation:
use arthimetic mean formula