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 11 of 31.
Akhila said:
1 decade ago
As given in the problem. SP-CP = Profit right.
Consider that SP-CP = (y-x).
Now SP should be double that is 2y-x.
And CP should be triple that is 3(y-x).
That is 2y-x = 3(y-x).
By solving this will get the profit.
Consider that SP-CP = (y-x).
Now SP should be double that is 2y-x.
And CP should be triple that is 3(y-x).
That is 2y-x = 3(y-x).
By solving this will get the profit.
Somen Kisku said:
8 years ago
Suppose, CP = 100,
Profit = x,
Selling Price = 100 + x.
=>According to question,
2 * SP = CP + (3 * Profit).
Or, 2(100+x) = 100 + 3x.
Or, 200+2x = 100 + 3x.
Or, 3x - 2x = 200 - 100,
Or, x =100.
=> Profit = 100%.
Profit = x,
Selling Price = 100 + x.
=>According to question,
2 * SP = CP + (3 * Profit).
Or, 2(100+x) = 100 + 3x.
Or, 200+2x = 100 + 3x.
Or, 3x - 2x = 200 - 100,
Or, x =100.
=> Profit = 100%.
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".
Murali said:
1 decade ago
Let the C.P be x and S.P be y.
Profit = S.P-C.P = y-x given question if the S.P doubles then profit will triples therefore,
3(y-x) = 2y-x.
y = 2x.
Profit = x.
Profit% = x*100/x = 100.
Profit is 100 percent.
Profit = S.P-C.P = y-x given question if the S.P doubles then profit will triples therefore,
3(y-x) = 2y-x.
y = 2x.
Profit = x.
Profit% = x*100/x = 100.
Profit is 100 percent.
Pavan kumar said:
7 years ago
If cp is 100 rupee, sp will be 200rupee as told in the problem(i.e sp is doubled), then the profit % comes 100%. How we can say this profit % is triples to cp. Triples means 300% right?
Can anybody suggest me?
Can anybody suggest me?
Sunny SHarma said:
10 years ago
Look,
Take SP = 1, then new SP = 2.
So, old profit, p = (1-CP)/CP ---> equation 1.
And new profit, 3p = (2-CP)/CP ---> equation 2.
Divide equation 1 by equation 2 and solve for CP = 1/2, thus profit = 100%.
Take SP = 1, then new SP = 2.
So, old profit, p = (1-CP)/CP ---> equation 1.
And new profit, 3p = (2-CP)/CP ---> equation 2.
Divide equation 1 by equation 2 and solve for CP = 1/2, thus profit = 100%.
Rohan said:
4 years ago
@Poonam.
The statement is if s.p is doubled then profit triples and using the formula of profit in this statement, c.p.= X s.p.=Y formula of;
profit=s.p. - c.p. so, 3 ( profit = s.p - c.p )
3 (Y-X)=(2Y-X).
The statement is if s.p is doubled then profit triples and using the formula of profit in this statement, c.p.= X s.p.=Y formula of;
profit=s.p. - c.p. so, 3 ( profit = s.p - c.p )
3 (Y-X)=(2Y-X).
DDv said:
1 decade ago
Ok look the most basic and fastest way to think.
Take C.P as 100 and sell price as 100+x; where profit is x;
Now 3x = 2*(100+x)-100(C.P);
3x = 100+x;
x = 100;
So on 100 C.P profit 100; so profit is 100%.
Take C.P as 100 and sell price as 100+x; where profit is x;
Now 3x = 2*(100+x)-100(C.P);
3x = 100+x;
x = 100;
So on 100 C.P profit 100; so profit is 100%.
AHMED SAQUIB said:
1 decade ago
INITIALLY,
C.P. = y.
S.P. = x.
Profit =x-y.
AFTER DOUBLING THE PRICE,
C.P. = y.
S.P. = 2x.
Profit = 2y - x.
According to the condition profit becomes three times of initial value. So,
3(y-x) = 2y-x.
C.P. = y.
S.P. = x.
Profit =x-y.
AFTER DOUBLING THE PRICE,
C.P. = y.
S.P. = 2x.
Profit = 2y - x.
According to the condition profit becomes three times of initial value. So,
3(y-x) = 2y-x.
Akhil pillai said:
9 years ago
If the cp was 50 and so was 100 for the first condition.
In the second case if the sp is doubled i.e 200 profit becomes three times i.e 150 so it comes 300%.
Can someone tell me where am I going wrong?
In the second case if the sp is doubled i.e 200 profit becomes three times i.e 150 so it comes 300%.
Can someone tell me where am I going wrong?
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