Aptitude - Profit and Loss - Discussion
Discussion Forum : Profit and Loss - General Questions (Q.No. 3)
3.
If selling price is doubled, the profit triples. Find the profit percent.
Answer: Option
Explanation:
Let C.P. be Rs. x and S.P. be Rs. y.
Then, 3(y - x) = (2y - x) 
y = 2x.
Profit = Rs. (y - x) = Rs. (2x - x) = Rs. x.
 Profit % = |
 |
x | x 100 |  % = 100% |
| x |
Video Explanation: https://youtu.be/dPzF10mGsWE
Discussion:
304 comments Page 14 of 31.
Govind kumar karn said:
9 years ago
Let C.P.= x, S.P = y.
Then according to the question 3(y - x) = (2y - x).
So y = 2x.
We know that, profit= (S.P - C.P).
=> (y - x) = (2x - x).
=> (x*100)/100 = 100% answered.
Then according to the question 3(y - x) = (2y - x).
So y = 2x.
We know that, profit= (S.P - C.P).
=> (y - x) = (2x - x).
=> (x*100)/100 = 100% answered.
Yudhishther Giri said:
8 months ago
Cp = x
Sp = 2X(doubled)
P = 3X(tripled)
P% = p/cp*100
Cp = sp - p
= 3x - 2x
= 1x = x.
P% = 1x = 1p( 1p = 1 profit).
Anything's 100 % is itself.
So, 100x=100p(100p= 100 profit)
Sp = 2X(doubled)
P = 3X(tripled)
P% = p/cp*100
Cp = sp - p
= 3x - 2x
= 1x = x.
P% = 1x = 1p( 1p = 1 profit).
Anything's 100 % is itself.
So, 100x=100p(100p= 100 profit)
(5)
Md. Ashraf.Bangladesh said:
1 decade ago
Let, profit = x.
C.P = 100.
Selling Price = 100+x.
We know that:(S.P-C.P) = Profit.
According to Q,
2(100+x)-100= 3*x.
200+2x-100 = 3x.
3x-2x = 200-100.
x = 100.
Profit= 100%.
C.P = 100.
Selling Price = 100+x.
We know that:(S.P-C.P) = Profit.
According to Q,
2(100+x)-100= 3*x.
200+2x-100 = 3x.
3x-2x = 200-100.
x = 100.
Profit= 100%.
Rishabh said:
7 years ago
Can anyone here explain why my trick doesnt work?
Lets take C. P. = 100,
S. P. = 200,
Double the S. P = 400,
Now the Profit = 300.
I get 75% of the profit from 400 which is 300.
Lets take C. P. = 100,
S. P. = 200,
Double the S. P = 400,
Now the Profit = 300.
I get 75% of the profit from 400 which is 300.
Sukumar Natarajan said:
3 years ago
Let CP=100 and SP=y
Profit = y-100.
If SP doubles, profit triples.
3(100-y) = 100-2y,
300 - 3 y = 100-2y,
y= 200.
SP is 200. CP was already taken as 100. So, profit is 100%.
Profit = y-100.
If SP doubles, profit triples.
3(100-y) = 100-2y,
300 - 3 y = 100-2y,
y= 200.
SP is 200. CP was already taken as 100. So, profit is 100%.
(6)
Siri said:
1 decade ago
let C.P=2, S.P=4(since it is double then C.P), and profit=8(since it is tripple)
%profit=[(S.P-C.P)/C.P]*100
%profit=[(4-2)/2)]*100
%profit=100
[NOTE: profit is based on C.P]
%profit=[(S.P-C.P)/C.P]*100
%profit=[(4-2)/2)]*100
%profit=100
[NOTE: profit is based on C.P]
Nagendrababu said:
9 years ago
cp = x sp= y profit = sp - cp so profit=y - x -->(1)
sp = 2times and profit= thrice from given data.
So that sp = 2y and (profit) is 3(y-x) from (1) so that,
3(y - x) = 2y - x.
sp = 2times and profit= thrice from given data.
So that sp = 2y and (profit) is 3(y-x) from (1) so that,
3(y - x) = 2y - x.
Mehul said:
1 decade ago
Let the C.P. = X
then S.P. = 2X
So profit = 2X-X = X
And profit % = X/X*100
=100 :).
There is extra line of "profit triples", but it is of no use. :D
then S.P. = 2X
So profit = 2X-X = X
And profit % = X/X*100
=100 :).
There is extra line of "profit triples", but it is of no use. :D
Dinesh said:
1 decade ago
If we assume current SP to be Rs.100/- and then profit as x. Then,
SP Profit
100 x
200 3x
Therefore, 300x+200x=600x
Therefore, x=100. I guess this is an easier approach.
SP Profit
100 x
200 3x
Therefore, 300x+200x=600x
Therefore, x=100. I guess this is an easier approach.
Sambit vikrant said:
1 decade ago
Assume C.P = x.
//Then selling price is double.
Means S.P = 2x.
Profit = (S.P - C.P).
So profit = 2x-x = x.
%Profit = prifit*100/C.P.
= x*100/x.
= 100.
//Then selling price is double.
Means S.P = 2x.
Profit = (S.P - C.P).
So profit = 2x-x = x.
%Profit = prifit*100/C.P.
= x*100/x.
= 100.
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