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If the cost of a dozen pens is Rs. 180, then the cost of 1 pen will be
1. Rs. \(\dfrac{1}{180}\)
2. Rs. \(\dfrac{1}{15}\)
3. Rs. 12
4. Rs. 15

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Correct Answer - Option 4 : Rs. 15

Given:

The cost of one dozen pen is Rs. 180

Concept Used:

1 dozen = 12

Calculation:

Cost price of 12 pens = Rs. 180

⇒ Cost price of 1 pen = Rs. (180/12) = Rs. 15

∴ The Cost of 1 pen will be Rs. 15.

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