Cost Price:
The price, at which an article is purchased, is called its cost price, abbreviated as C.P.
Selling Price:
The price, at which an article is sold, is called its selling prices, abbreviated as S.P.
Profit or Gain:
If S.P. is greater than C.P., the seller is said to have a profit or gain.
Loss:
If S.P. is less than C.P., the seller is said to have incurred a loss.
IMPORTANT FORMULAE
1. Gain = (S.P.) - (C.P.)
2. Loss = (C.P.) - (S.P.)
3. Loss or gain is always reckoned on C.P.
4. Gain Percentage: (Gain %)
Gain % =
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Gain x 100
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C.P.
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5. Loss Percentage: (Loss %)
Loss % =
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Loss x 100
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C.P.
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6. Selling Price: (S.P.)
SP =
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(100 + Gain %)
|
x C.P
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100
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7. Selling Price: (S.P.)
SP =
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(100 - Loss %)
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x C.P.
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100
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8. Cost Price: (C.P.)
C.P. =
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100
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x S.P.
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(100 + Gain %)
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9. Cost Price: (C.P.)
C.P. =
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100
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x S.P.
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(100 - Loss %)
|
10. If an article is sold at a gain of say 35%, then S.P. = 135% of C.P.
11. If an article is sold at a loss of say, 35% then S.P. = 65% of C.P.
12. When a person sells two similar items, one at a gain of say x%, and the other at a loss of x%, then the seller always incurs a loss given by:
Loss % =
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Common Loss and Gain %
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2
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=
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x
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2
|
.
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10
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10
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13. If a trader professes to sell his goods at cost price, but uses false weights, then
Gain % =
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Error
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x 100
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%.
| |
(True Value) - (Error)
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