Q11)One quarter of the workers at the factory are clerical, one fifth are technical, half are administrative and the other 25 are managerial. How many workers are there in the factory, totally?

(a) 250

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(b) 366

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(d) 500

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Solution

The correct option is D (d) 500
Ans:11(d)
Sol: First, calculate the fraction of the 25 managerial workers out of the total number of workers by subtracting the fractions given from 1.
1-(1/4)-(1/5)-(1/2)= 1-((5+4+10)/20)= 1-(19/20)= (1/20)
The 25 managerial workers are (1/20) of the workers.
Therefore, total number of workers = 500.

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