By selling 11 articles I gain the selling price of one article. The gain % is

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Question

By selling 11 articles I gain the selling price of one article. The gain % is

Options:

A . 1%

B . 10%

C . 11%

D . 12%

Answer: Option B

Gain Percentage = (Gain/Cost price) × 100

Given,
Selling Price of 11 articles = Selling Price of 1 article

Let,
Selling Price of 1 article = S

Then, Selling Price of 11 articles = 11S

Cost Price of 1 article = C

Then, Cost Price of 11 articles = 11C

Gain = Selling Price of 11 articles – Cost Price of 11 articles
= 11S – 11C

Gain Percentage = (Gain/Cost price) × 100
= (11S – 11C)/11C × 100
= (11S/11C – 1) × 100
= (S/C – 1) × 100
= (S – C)/C × 100
= (S – C)/C × 100
= (S/C – 1) × 100
= 10%

Therefore, the gain % is 10%.

If you think the solution is wrong then please provide your own solution below in the comments section .

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3 Comments

Kevin 2021-07-01 12:20:48

0

Profit=SP-CP

As said in questions gain the selling price of one article
So
Article=a

Sp of 1a=sp of 11a-cp of 11a

Cp of 11a=sp of 10a
Cp/sp=11/10

Kevin patel 2021-07-01 12:20:13

0

Profit=SP-CP
As said in questions gain the selling price of one article
So
Article=a

Sp of 1a=sp of 11a-cp of 11a

Cp of 11a=sp of 10a
Cp/sp=11/10

bijal 2019-05-07 08:08:27

0

solusion?

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