The average salary per head of all the workers in a workshop is 1850. If the average salary per head of 7 technicians is Rs. 1000 and the average salary per head of the rest is Rs. 780, find out the total number of workers in the workshop.

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Solution

The correct option is D 22
Let, the total number of workers be $x$ .
$\Rightarrow 850 \times x = 7 \times 1000 + (x - 7) \times 780 \Rightarrow x = 22$ .

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The average salary per head of all the workers in a workshop is 1850. If the average salary per head of 7 technicians is Rs. 1000 and the average salary per head of the rest is Rs. 780, find out the total number of workers in the workshop.

The correct option is D 22Let, the total number of workers be x. ⇒850×x=7×1000+(x−7)×780⇒x=22.

The correct option is D 22
Let, the total number of workers be $x$ .
$\Rightarrow 850 \times x = 7 \times 1000 + (x - 7) \times 780 \Rightarrow x = 22$ .