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 6 of 10.

Chinni said:   9 years ago
A person sells 2 articles for 100rs. He sold 1st article and loss 5% when he sold 2nd article he gains 20%, the overall gain is 5%. What is the cost of the 1st article?

Please explain it with the solution.

MGNVPrasad said:   9 years ago
Profit = 22.5.
S.p = 392. I want cost price=?
Let c.p = 100 . Because we find out percentage as 100 Every where. C.p/100 = S.p/122.5.
C.p/100 = 392/122.5.
C.p = 320.
Profit = s.p - c.p = 392 - 320 = 72.

Narsing said:   9 years ago
Thanks. @Vasu reddy.

Chandan pandey said:   9 years ago
Profit=22.5%. and SP=392
Then CP * 122.5/100 = 392.
After solve we get CP = 320,
Now simple (sp-cp) = 72.

I think it will help you.
Thanks have a great day.

Ragav said:   9 years ago
Can anyone explain me what formula used and how get 122.5?

Ravi said:   8 years ago
@Ragav.

Basic formula is cost + profit = selling price.

Here we assume cost is 100. given profit is 22.5%.
CP + P= SP Which means 100 + 22.5 = 122.5.
So, we get SP 122.5 which is 392.
122.5 = 392
22.5 = x

Just cross multiply it you'll get the answer.

Priyanka hk said:   8 years ago
How 100 and 1000? explain.
(1)

Shivani said:   8 years ago
(1000/122.5)*392= 320.

Please, explain this.

Bhagat Singh said:   8 years ago
CP = RS 100.
PROFFIT = 22.5.
SP= 122.5.
GIVEN SP = Rs 392.
So PROFIT = 22.5/122.5*392 =72.

Basil said:   8 years ago
SP=CP+GAIN.

CP+(22.5/100)*CP=392
So, CP=320 & PROFIT=392-320=72.
Hope you get it. Thanks.


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