Question

a man bought notebooks at the rate of rs.72 per dozen and sold them at the rate of rs.25 for a packet of 5 books. what was his gain/loss ?

Answer 1

Step-by-step explanation:

First the first condition is that you find cost of one book in per dozen

Cost of 12 book= rs. 72

Cost of one book = 72÷12 = 6

Now he buys one book in rs. 6

Now,

He sell 5 book = rs. 25

Cost of one book = 25÷5 = 5

He sell one book in rs. 5

Now compare cost price and selling price

Cost price > selling price

So,

He has get a loss of rs. 1

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Answer 2

According to the question, we shall first find the cost price of one book in per dozen.

Cost Price of 12 book⇒  $\sf Rs. 72$

Cost Price of one of the books ⇒ $\sf 72\div 12 = 6$

∴The cost price of one notebook is  $\sf Rs. 6$.

Now let's get to the second part of the question.

Cost of 5 notebooks he sold ⇒ $\sf Rs. 25$

Cost of one notebook ⇒  $\sf 25\div 5 = 5$

∴ He sold 1 notebook at the price of $\sf Rs. 5$.

Now let's compare the cost price to the selling price .

Now we find out,

$\sf Cost \ price > selling \ price$

∴ He had a loss of $\sf Rs. 1$ get a loss of rs. 1