The average salary of 6 persons is Rs300. The average of first 4 persons is Rs250 and average of last
3 is Rs350. What is the salary of 3rd person?
Answers
Answer:
Step-by-step explanation:
Total number of workers is considered as x
Average of 12 officers salary = 12 x 400 = 4800
4800 + 56x = ( 12 + x ) x 60
4800 + 56x = 720 + 60x
4x = 4080
X = 1020
∴ Total number of workers = 12 + x = 12 + 1020 = 1032
Answer:
The salary of the third person is Rs 250
Step-by-step explanation:
The average salary of 6 persons is Rs300.
The sum of salary of 6 persons is= Rs300×6=Rs 1800
The average salary of first 4 persons is= Rs 250
The sum of salary of first 4 person is=Rs 250×4= Rs 1000
The sum of salary of last 2 person= sum of salary of 6persons- sum of salary of first 4 persons= Rs 1800-Rs1000=Rs 800
The average salary of last 3 persons=Rs350
The sum of salary of last 3 persons= Rs350×3=Rs 1050
It means salary of 3rd person+salary of last 2 persons=Rs 1050
Salary of 3rd person= Rs1050-Salary of last 2 persons
=Rs1050-Rs 800= Rs250
Conclusion- Salary of 3rd person is Rs 250