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:
353 comments Page 22 of 36.

Sathya said:   10 years ago
Profit on one article = (20/x)-1.

% profit = ((20/x)-1)*100)/1 = 25 how this step is used?

Shakilmehedy said:   8 years ago
We know, profit or loss rate=100/sell price (cost price-cell price),
25=100/x (20-x),
X=16.

Saurav kumar said:   8 years ago
The cost price-100,
selling price-120.
100 * 20 = 125 * x.
After solving value of x=16.

Raviteja said:   10 years ago
Given that 20 C.P = x S.P.
And S.P/C.P = 1.25.

20/x = 1.25.
x = 20/1.25.
x = 16.

Bhavana said:   9 years ago
Hello, I am confused why profit 25% of cost=20% of the selling price? Explain it.

Captain said:   7 years ago
Simple alternative.

x * 125/100 = 20,
125x = 2000,
125x/125 =2000/125,
x = 16.

Dhanushree Shetty said:   4 years ago
100+25%=125
20. ?.

Cross multiply you will get it as 20*125/100;
= 16.

Shameer said:   10 years ago
Use the formula:

CP = (SP*100)/(100+profit).

CP = (20*100)/(100+25).

CP = 16.

Nat said:   9 years ago
Profit = 25%.
So let c.p = 4 & s.p = 5.
20 * 4 = x * 5 (unknown=x),
16 = x.

Chinni said:   1 decade ago
profit=s.p-c.p
hence cost of 1 article=1
s.p of 1 article=20/x
profit=(20/x)-1


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