Q: The number of workers is lowered by a factor of three, while each employee's income is enhanced by a factor of five. The firm saves Rs. 12000 as a result of this. What was the original wage investment?

A 62000
B 60000
C 50000
D 72000
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Answer: D


Let X be the value of 1 unit in terms of the currency being used.
Then, the initial expenditure on salary is 12 units * X = 12X.

We are given that 2 units = 12000, so we can set up the following equation:
2X = 12000.
Solving this equation gives us X = 6000.

Substituting this value back into the equation for the initial expenditure on salary, we find that the initial expenditure on salary is 12 units * 6000 = 72000.

Therefore, the initial expenditure on salary is 72000.

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Ratio and Proportion

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