The average of all the 60 employees in a...

The average of all the 60 employees in an office is 12000 per month. if the no. of executives is twice the no. of non executives employees, and average salary of executives is 15000. In the above problem, if the average salary of non-executive be `(2)/(5)th` of the average salary of executives, then the average salary of non-executive employees is :

`₹9000`

`₹8000`

`₹6000`

data sufficient

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The correct Answer is:

`60xx12000=20xxx+40xx(5/2)x=6000`

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