If the cost of $6$ note- books is ₹ $141$ , what is the cost of $8$ such notebooks?

₹ $164.50$

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₹ $211.50$

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₹ $188$

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None of these

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Solution

The correct option is C
₹ $188$

Step 1. Finding the cost of $1$ note- book.
the cost of $6$ note- books is ₹ $141$
by unitary method,
cost of $1$ note- book $= \frac{141}{6}$ ₹
Hence, the cost of $8$ such notebooks $= \frac{141}{6} \times 8 = 188$ rupees.

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