Question

A book seller earned a profit of 5% by selling a book for RS.714 . What is the cost price of the book ? ​

Answer 1

Answer:

Let the cost price of the radio be Rs.x.

∴ Profit=5%

Now, selling price = Rs

100/105x ⇒714

x= 714 × 100/105 =60

Hence, the cost price of the radio is Rs.680

hope it helps you guys

Answer 2

Question :-

A Book Seller earned a Profit of 5% by selling a Book for ₹. 714. What is the Cost Price of the Book?

Solution :-

Selling Price (SP) of the Book = ₹. 714 ; Gain% = 5% ;

∴ Cost Price (CP) of the Book = $\boxed {\bold {\Big [\frac{100}{100\: + \:Gain\%} \times SP \Big]}}$

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$Rs. [\frac{100}{(100 + 5)} \times 714] = Rs. [\frac{100}{105} \times 714] = \bold {Rs. 680}*$

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Hence, the Cost Price (CP) of the Book is ₹. 680.

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