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Question:

Identify the TRUE statement

Explanation:

In each option, a certain ratio has to be found and its rank for a specific industry is to be verified.

Option 1: Number of workers per factory

Thus, the statement in option 1 is false.

Option 2: Expense on material consumption as a % of input cost

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Thus, the statement in option 2 is false.

Option 3: Profit earned as a % of emolument

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Thus, the statement in option 3 is false.

Hence, option (d).

Note:

Since the first three options are proved to be false, the last has to be true. There is no need to calculate it, but it can be verified using a similar table, as shown above.