Question

The average salary of 12 employees of star plus is rs. 18,000 and that of 15 employees of ndtv is rs. 25,000 per month. The average monthly of all employees in rupees is:

Answer 1

this is the answer to your question

Answer 2

The average monthly of all employees in rupees is Rs 21888.89

Solution:

$Average = \frac{\text{sum of all observations}}{\text{total number of observations}}$

The average salary of 12 employees of star plus is rs. 18,000

Therefore,

$18000 = \frac{\text{sum of salary of 12 employees }}{12}\\\\\text{sum of salary of 12 employees } = 216000$

The average of that of 15 employees of ndtv is rs. 25,000

Therefore,

$25000 = \frac{\text{ sum of salary of 15 employees }}{15} \\\\\text{ sum of salary of 15 employees } = 375000$

The average monthly of all employees in rupees is:

$Average = \frac{216000 + 375000}{12+15}\\\\Average = \frac{591000}{27}\\\\Average = 21888.89$

Thus the average monthly of all employees in rupees is Rs 21888.89

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