The average income of all the 80 employees in an office is Rs 15 000 per month If the number of exec...........

Quantitative Aptitude ( CCS) Average

The average income of all the 80 employees in an office is Rs. 15,000 per month. If the number of executives is thrice the number of non-executive employees then what will be the average income of all the non-executive employees ?

Rs6000

Rs8000

Rs7500

Can’t determined

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Explanation:

Solution:
Total employees 80
NE:E==>3:1
So 4 80
3 ? 60 NE
1 ? 20 E
Total income = 60*NE income+20*E income
We don’t have that incomes So we cant find the solution.