Question

By selling 60 articles a vendor makes a profit equal to the selling price of 15 articles. Find his gain percentage.
The total cost price of two watches is 840. One is sold at a profit of 16% and the other at a loss of 12%. There
is no loss or gain in the whole transaction. What is the cost price of the watch on which the shopkeeper gains?
A shopkeeper gains 20% while buying the goods and 30% while selling them. Find his total gain per cent
A dealer makes a profit of 20% even after giving a 10% discount on the advertised price of a scooter. What
was the advertised price if he makes a profit of 7500 on the sale of the scooter?
A shopkeeper bought two TV sets at 10,000 each. He sold one at a profit of 10% and the other at a loss of
10%. Find whether he made an overall profit or loss.
(NCERT)
A shopkeeper was selling his items at 25% discount. During the off season, he offered 30% discount over and
above the existing discount. If Pragya bought a skirt which was marked *1200, then how much did she pay
(NCERT Exemplar)
for it?
EST​

Answer 1

33.33 % profit on selling 6o articles with profit = selling price of 15 articles

360 is the cost Price of Watch on which Customer Gains

Step-by-step explanation:

By selling 60 articles a vendor makes a profit equal to the selling price of 15 articles. Find his gain percentage

Let say Cost Price = C  & selling Price = S   per item

Profit = 60S - 60C   = 15S

=> 45S = 60C

=> 3S = 4C

=> S = 4C/3

Profit = 4C/3 - C  =  C/3

Profit %  = 100 * (C/3)/C = 33.33%

The total cost price of two watches is 840. One is sold at a profit of 16% and the other at a loss of 12%. There

is no loss or gain in the whole transaction. What is the cost price of the watch on which the shopkeeper gains?

Cost Price of one with Gain  = X

Another with loss = 840 - X

Selling Price of one = X + (16/100)X  = 1.16X

Selling Price of another = (840-X)  - (12/100)(840-X)  =  0.88(840 -X)

= 739.2 - 0.88X

1.16X + 739.2 - 0.88X  = 840

=> 0.28X  = 100.8

=> X = 360

360 is the cost Price of Watch on which Customer Gains

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