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1)

profit on the cost of 950 gram worth goods is the cost of 50 gram goods.

so profit % = 50/950 * 100 = 100/19 %

2)

Let cost price = CP SP = (100+12) * CP/100

buying it at (100-18)*CP/100 and selling at 112*CP + 12, will give a gain of 45% on the buying price , 0.82 CP.

=> 1.12 CP + 12 - 0.82 CP = 0.45 * (0.82 CP)

=> CP = 12/0.069

3)

Let original price of item be CP. Let quantity purchased be Q.

while buying cost total incurred for a quantity Q = CP * 0.90 Q

while selling money earned total for quantity Q = CP * 1.10 Q

net gain = 100 * (1.10 - 0.90) /0.90

4)

10 CP = 8 SP

SP - CP = 10/8 CP - CP = 0.25 CP

gain 25%

profit on the cost of 950 gram worth goods is the cost of 50 gram goods.

so profit % = 50/950 * 100 = 100/19 %

2)

Let cost price = CP SP = (100+12) * CP/100

buying it at (100-18)*CP/100 and selling at 112*CP + 12, will give a gain of 45% on the buying price , 0.82 CP.

=> 1.12 CP + 12 - 0.82 CP = 0.45 * (0.82 CP)

=> CP = 12/0.069

3)

Let original price of item be CP. Let quantity purchased be Q.

while buying cost total incurred for a quantity Q = CP * 0.90 Q

while selling money earned total for quantity Q = CP * 1.10 Q

net gain = 100 * (1.10 - 0.90) /0.90

4)

10 CP = 8 SP

SP - CP = 10/8 CP - CP = 0.25 CP

gain 25%

The Brainliest Answer!

*. Profit is of 50gms goods on the cost of 950 gram goods.*

*Hence profit % = ( 50/950) 100 = 100/19 % = 5.26 %*

*6. Let cost price of trouser be CP*

*SP = (112) * CP/100*

*Now at cost price of (82)*CP/100*

*selling price is 112*CP + 12,*

*With profit of 45% ⇒ 1.12 CP + 12 =1.45 * (0.82 CP)*

*⇒ CP = 12/0.069=173.9*

*7. Let price of item be CP.*

*actual purchase price is 0.9 CP*

*actual selling price is 1.1 CP*

*Net Profit = 100 * (1.10 - 0.9)P /0.9P=22.2%*

*8. Cost of card is CP*

*Then selling price of 8 cards SP= 10 CP*

*Profit = (10CP- 8 CP)/8CP=25%*

*Gain is 25%*