Aptitude - Profit and Loss - Discussion

Discussion Forum : Profit and Loss - General Questions (Q.No. 2)
2.
The cost price of 20 articles is the same as the selling price of x articles. If the profit is 25%, then the value of x is:
15
16
18
25
Answer: Option
Explanation:

Let C.P. of each article be Re. 1 C.P. of x articles = Rs. x.

S.P. of x articles = Rs. 20.

Profit = Rs. (20 - x).

20 - x x 100 = 25
x

2000 - 100x = 25x

125x = 2000

x = 16.

Video Explanation: https://youtu.be/sidqvjUoZxY

Discussion:
356 comments Page 5 of 36.

Komal said:   4 years ago
CP of 20A= S.P OF X ARTICLE.

# SP OF X =20.
So we know S.P of X as well as profit.

SIMPLY APPLY THE FORMULA.
# S.P = (100+ PROFIT %)*CP.
20 = 100* 25/100*C.P.
# C.P = 16.
# ACTUAL VALUE OF X =16.
(1)

Anshuma Chugh said:   2 decades ago
Can you please make me understand by giving more examples?

K soumya said:   2 decades ago
The given solution for the problem is incorrect.

Barat said:   2 decades ago
Answer is correct.

Pinky said:   2 decades ago
Can you explain how SP of x articles become 20?

Sundar said:   2 decades ago
Hi Pinky,

Please read the the question carefully and the first two lines of the explanation given, then you will understand the answer for your question.

{
The cost price of 20 articles is the same as the selling price of x articles.

Let C.P. of each article be Re. 1 C.P. of x articles = Rs. x.

S.P. of x articles = Rs. 20.
}

Have a nice guys.!

Sid said:   2 decades ago
Thanks sanjeet, nice explanation.

Sarath said:   2 decades ago
Can you explain me about the assumptions it makes me difficult to understand?

Anbu said:   2 decades ago
Sanjeet your explanation is very good.

Chetan said:   2 decades ago
Hi guys,

20 article C.P = 100rs(say)

Note: When given profit percentage, he calculates it only after selling all goods.

So 20 articles S.P = 125 (SINCE PROFIT PERCENT =25%)
now consider only S.P
125 rs --->20 articles
100 rs --->? articles
100*20/125=16

That is it simple.


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