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# Q.12 & Q.13 pls give solution of both questions?

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- PuzzlingLv 71 month ago
The formula for profit percentage is:

P% = (Sale - Cost) / Cost * 100%

Ramesh calculated:

(Sale - Cost) / Sale * 100% = 50%

(Sale - Cost) / Sale = 0.5

1 - Cost / Sale = 0.5

Cost / Sale = 1 - 0.5

Cost / Sale = 0.5

Cost = 0.5 Sale

So let's calculate it using the correct formula:

P% = (Sale - Cost) / Cost * 100%

P% = (Sale - 0.5 Sale) / (0.5 Sale) * 100%

P% = (0.5 Sale) / (0.5 Sale) * 100%

P% = 1 * 100%

P% = 100%

Does that make sense?

For example, if Ramesh bought an item for Rs. 10 and sold it for Rs. 20 then his raw profit is Rs. 10. And that is 100% of his original cost (but only 50% of the sales price).

Now you try the second one on your own.

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