Question

2. An article was sold at a certain price. By selling it at one-fifth of that price, the loss incurred would be 20%. Find the gain on the original price.
3. Find the profit or loss% if the selling price of 20 articles is equal to the cost price of 25 articles.
4. Find the cost price of an article if it was sold for 40, gaining one-eighth of the cost price.
5. A shopkeeper sold 20 articles for 80 and gained 20%. How many articles did she buy for 80?​

Answer 1

Answer:

By selling it at 1/5 of that price, the loss incurred would be 20%.

Let Assume CP = 100

Loss incurred = 20%

loss \: percent = \frac{(cp - sp)}{cp} \times 100losspercent=cp(cp−sp)×100

20 = 100 - SP

Then SP = 80

1/5 th of the orginal SP is 80. Then orginal SP = 80*5= 400

CP = 100; SP = 400

profit \: percent = \frac{(sp - cp)}{cp} \times 100profitpercent=cp(sp−cp)×100

Profit percent = 300 %

3.Let cost price of one article be c and selling price of one article be s.

We need to find profit/loss% which is equal to ((s-c)/c) x 100 = (s/c - 1) x 100

Given that 20c = 25s. Then s/c = 4/5

Profit% = (4/5 - 1) x 100 = -20%

Step-by-step explanation:

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