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:
303 comments Page 30 of 31.
Divyesh said:
1 decade ago
Let s.p. = y and c.p. = x
now current profit is (y-x)
and the profit when the s.p. is doubled is (2y-x)
now according to the equation
(2y-x)/3 = (y-x) bcaz new profit is thrice a current profit
solving equation we get y=2x
when s.p. is doubled as c.p.
so profit = (y-x)/x * 100 = (2x-x)/x * 100 = 100%
now current profit is (y-x)
and the profit when the s.p. is doubled is (2y-x)
now according to the equation
(2y-x)/3 = (y-x) bcaz new profit is thrice a current profit
solving equation we get y=2x
when s.p. is doubled as c.p.
so profit = (y-x)/x * 100 = (2x-x)/x * 100 = 100%
Vinod said:
1 decade ago
= S.P - C.P = PROFIT/100%
= 2X- 3X =1X/100%
= X = 1/100
=100%.
= 2X- 3X =1X/100%
= X = 1/100
=100%.
Raj said:
1 decade ago
Let c.p=x
s.p=2x
Profit = s.p - c.p
Profit = 2x - x = x
Profit % = x*100/x = 100%
s.p=2x
Profit = s.p - c.p
Profit = 2x - x = x
Profit % = x*100/x = 100%
(1)
Rajeshkavi said:
1 decade ago
Hi, I dont able to understand this question 1.If selling price is doubled, the profit triples. Find the profit percent.but you gave solution like this
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
please explain clearly
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
please explain clearly
Saleem said:
1 decade ago
Assume s.p=20, profit=10
Then, s.p double=20+20=40
Profit triple=10+10=20+20=40
So 100%.
Then, s.p double=20+20=40
Profit triple=10+10=20+20=40
So 100%.
Sandhya said:
1 decade ago
Please give me clear answer, I don't understand how (2y-x)come ?
Sridhar said:
1 decade ago
Chetan answer is right, check answer of Sangeetha
Prakash said:
1 decade ago
@Swathi
Both are profits s.p is y and c.p is x then profit is y-x. And if profit tripls then 3(Y-X) is profit and new selling price is 2y then profit is 2y-x.
Both are profits s.p is y and c.p is x then profit is y-x. And if profit tripls then 3(Y-X) is profit and new selling price is 2y then profit is 2y-x.
Chetan said:
1 decade ago
I think there is something wrong in answers or may be I don't understand but,.
When you are asked to calculate profit percentage you are doing "(y-x) /x *100".
Is it wright?.
I think we have to do "(2y-x) /x*100".
When you are asked to calculate profit percentage you are doing "(y-x) /x *100".
Is it wright?.
I think we have to do "(2y-x) /x*100".
Giriganesh said:
1 decade ago
In that question.,
Profit is three time increase
3X profit =3 X( s.p - c.p )
=3 X (Y -X)
=3(Y-X)=(S.P - C.P) [.: Because Profit = S.P - C.P]
=(2 x Y )-X [.: S.P is increase two times]
=2Y-X
.:3(y-x)=(2y-x).
Profit is three time increase
3X profit =3 X( s.p - c.p )
=3 X (Y -X)
=3(Y-X)=(S.P - C.P) [.: Because Profit = S.P - C.P]
=(2 x Y )-X [.: S.P is increase two times]
=2Y-X
.:3(y-x)=(2y-x).
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