Aptitude - Profit and Loss - Discussion

Discussion Forum : Profit and Loss - General Questions (Q.No. 7)
7.
A shopkeeper expects a gain of 22.5% on his cost price. If in a week, his sale was of Rs. 392, what was his profit?
Rs. 18.20
Rs. 70
Rs. 72
Rs. 88.25
Answer: Option
Explanation:

C.P. = Rs. 100 x 392 = Rs. 1000 x 392 = Rs. 320
122.5 1225

Profit = Rs. (392 - 320) = Rs. 72.

Video Explanation: https://youtu.be/a36nJFgh5yk

Discussion:
99 comments Page 7 of 10.

Somnath Ghosh said:   8 years ago
Thank you so much, well explained @Preitee Ranjan.

Jyoti said:   7 years ago
P=392-x.
%=p/cp*100.
22.5=(392-x)/x*100.
22.5x=392-x*100,
22.5x=39200-100x,
22.5x+100x=39200,
122.5x=39200,
x=39200/122.5,
x=392000/1225,
x=320-->cp.

P=392-x,
P=392-320,
P=72 Rs.

Aravind Villa said:   7 years ago
@Jyothi.

Thank you.

Srinivasu Bommu said:   7 years ago
Thank you all for explaining it.

Srija said:   7 years ago
In this question we have to find profit value,

We all know that profit =SP - CP.

Here s. P=Rs.392(which is given in the question)
Now we have to find c. P value then only we will get the profit value
By using this formula C. P=100/100+gain %*s.p(given in important formulas)
Then c. P=100/100+22.5*392(here gain% and s. P values are given in the question)
C.p=100/122.5*392

By simplifying this we will get CP value,
Therefore c. P=Rs. 320,
Now substitute the SP and CP values in profit formula.
Profit = SP- CP.
Profit =Rs. (392-320),
Profit =Rs. 72.

Vikas said:   7 years ago
Given G=22.5% on cost price.

Profit = ?
Profit =SP - CP.

CP is unknown.
Given SP = 392
SP = [(100+G%)*cp]/100,
CP = (SP*100)/(100+G%),
CP = (392*100)/(100+22.5),
CP = 320,
Profit = SP - CP.
Profit = 392 - 320,
Profit = 72.

Thanthya said:   7 years ago
This is just one step problem;
392/122.5 = 3.2,
3.2*22.5 = 72.

Sarfaraz khan said:   7 years ago
cp =100 profit =22.5
sp =100+22.5 =122.5.

122.5 -------------> 22.5
392 --------------> x.

(392|*22.5)/122.5 = 72.
(1)

Kavi said:   7 years ago
Thanks @Rajadurai.

Sakshi said:   7 years ago
Thanks @Preitee.


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