Question

Question Neeraj bought a t-shirt for his father what is the cost price of the shirt.

Statements:

A) He has got 40% disc on its original price
B) on 20% disc, its cost would be rs 350​

Answer 1

Answer:

Explanation:

We don't know the original cost of the radio.  It is labeled at a marked price in the shop.  Instead of asking for the cost price of the radio,  the question should be at which price Neeraja bought the radio.

Marked price = MP

Neeraja bought it for  20% discount on the MP.  

 cost price of radio for Neeraja = (100 - 20)% of MP = 0.80 MP

   This is the selling price too at the shop.

 

 Neeraja sold it for Rs 468  =  MP + 4% MP = 1.04 MP

       MP = Rs 468 / 1.04 = Rs 450

 Cost price at which Neeraja bought it = 0.80 * Rs 450 = Rs 360

Answer 2

Answer:

The cost price of the shirt is 350 rupees.

Explanation:

Given,Neeraj bought a t-shirt for his father.

We want to find cost price of the t-shirt.

Let original price of the t-shirt be x rupees.

given,He has got 40% disc on its original price.

So, cost price

$= 40\% \: discount \: on \: x \\ = \frac{100 - 40}{100} \times x \\ = \frac{60}{100} \times x \\ = \frac{3x}{5} \: rupees$

It is also given that on 20% discount, price of t-shirt would be 350 rupees.

According to question,

20% discount on x = 350

$\frac{100 - 20}{100} \times x = 350 \\ \frac{80}{100} \times x = 350 \\ \frac{4x}{5} = 350 \\ 4x = 350 \times 5 \\ x = \frac{350 \times 5}{4} \\ x = 437.5$

So,Neeraj bought a t-shirt at $\frac{3 \times 437.5}{5} = 350 \: rupees$

This is a problem of profit and loss chapter.

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