Entry Test MCQ :: Average

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The average salary of employees in a factory is Rs. 2200. All employees are divided in two grades A and B having an average of Rs. 2450 and Rs. 1950 respectively. If grade A has 10 employees then how many employees have grade B:

[A].	12	[B].	16
[C].	20	[D].	24
[E].	none

Answer: Option E

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