Aptitude - Profit and Loss - Discussion
Discussion Forum : Profit and Loss - General Questions (Q.No. 11)
11.
On selling 17 balls at Rs. 720, there is a loss equal to the cost price of 5 balls. The cost price of a ball is:
Answer: Option
Explanation:
(C.P. of 17 balls) - (S.P. of 17 balls) = (C.P. of 5 balls)
C.P. of 12 balls = S.P. of 17 balls = Rs.720.
| C.P. of 1 ball = Rs. |
 |
720 |  |
= Rs. 60. |
| 12 |
Discussion:
91 comments Page 2 of 10.
Prasad said:
4 years ago
Thanks for the explanation @Manasa.
(1)
Nancy said:
4 years ago
SP of 17 balls = Rs 720.
CP of 17 balls = SP of 17 balls = CP of 5 balls (given).
Now simplify;
CP = 17-5= 12,
So, CP of 12 balls = SP of 17 balls = 720,
CP of 1 ball = 720/12 = 60.
CP of 17 balls = SP of 17 balls = CP of 5 balls (given).
Now simplify;
CP = 17-5= 12,
So, CP of 12 balls = SP of 17 balls = 720,
CP of 1 ball = 720/12 = 60.
(3)
Eswar said:
5 years ago
Yes, you are right @Potter.
POTTER said:
5 years ago
SP of 17 balls = Rs.720.
CP 1 ball = x,
CP 17 balls = 17x.
CP - SP = loss.
17x - 720 = 5x.
12x = 720.
x = 60.
CP 1 ball = x,
CP 17 balls = 17x.
CP - SP = loss.
17x - 720 = 5x.
12x = 720.
x = 60.
(24)
Dofari said:
5 years ago
(C.P. of 17 balls) - (S.P. of 17 balls) = (C.P. of 5 balls)
C.P. of 12 balls = S.P. of 17 balls = Rs.720.
C.P. of 1 ball = Rs. 720/12 = Rs. 60.
C.P. of 12 balls = S.P. of 17 balls = Rs.720.
C.P. of 1 ball = Rs. 720/12 = Rs. 60.
Nagarjuna said:
6 years ago
By verifying the options 1 ball.
17 balls -5 balls =720.
17 balls -5 balls =720.
Bhargav said:
6 years ago
Consider CP of 1 ball is X.
For 17 balls, CP is 17X.
Loss = CP-SP.
i.e;17X - 720.
Loss = 5X.
5X = 17X-720,
12X = 720,
X = 60.
For 17 balls, CP is 17X.
Loss = CP-SP.
i.e;17X - 720.
Loss = 5X.
5X = 17X-720,
12X = 720,
X = 60.
(1)
Rohan kumbhar said:
6 years ago
Cp * profit = sp.
Suppose , cp of 17 ball = X.
From condition:
X * (X÷5)=720.
X= 60.
Suppose , cp of 17 ball = X.
From condition:
X * (X÷5)=720.
X= 60.
Pranati said:
6 years ago
Thanks @Manasa.
Govinda said:
6 years ago
loss% = cp - sp/cp.
15/100= (x-18700)/x.
15x = 100x-1870000.
x(cp)=22000.
Again have to gain profit 15%.
sp=22000*115%.
====> 25300.
15/100= (x-18700)/x.
15x = 100x-1870000.
x(cp)=22000.
Again have to gain profit 15%.
sp=22000*115%.
====> 25300.
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