Question

The average salary of all the employees in a factory is Rs. 195 per head. The average salary of 20 employees is Rs. 620 and that of the remaining ones is Rs. 190 per head. find the total no.of employees.​

Answer 1

Answer:

total no. of employees are 1720

employees getting rs190as salary are 1700

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Answer 2

Answer:

1720

Step-by-step explanation:

Let the number of employees be X

Average salary of all members=sum of salary of workers/number of workers

so it will be

195=sum of salary of workers/X

195X=sum of salary of workers.

equation 1

20 workers have average of income 620 so their sum will be as follows

620=sum of salary of workers/20

620*20=sum of salary of workers

12400= sum of salary of workers

equation 2

left workers will be X-20 who have average of income 190

so their sum will be as follows

190=sum of salary of workers/X-20

190*(X-20)=sum of salary of workers

190X-3800=sum of salary of workers

equation 3

equation 1=equation 2+equation 3

195X=12400+190X-3800

5X=8600

X=1720

Hence the number of workers are 1720

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