Robert Bosch Profit & Loss Quiz 4

Solution
Selling price = C.P\times \frac{100+profit}{100}
Selling price of Camera = 15,000\times \frac{100+10}{100} = 16, 500
Selling price = C.P\times \frac{100-loss}{100}
Selling price of Mobile = 16,500\times \frac{100-5}{100} = 15, 675
overall profit = 15, 675 - 15,000 = 675

Solution
Let cost price = x
According to question
410 - x = x - 350
2x = 760
x = 380
Selling price = C.P\times \frac{100+profit}{100}
Selling price = 380\times \frac{100+20}{100} = 456

Solution
Let Cost price = 100
For getting 10 % profit selling price = 100 + 10 = 110
Let market price = x
x \times \frac{100-20}{100} =110
x = 137.5
So for getting 10 % profit, the market price should be 37.5 % above cost price.

Solution

In 1 carat = 30 eggs
Cost price of 1 egg = \frac{150}{30} = 5
Selling price = C.P\times \frac{100+profit}{100}
Selling price of 1 egg = 5\times \frac{100+20}{100} = Rs 6

Consider the cost of production of the an Oxygen Generator be Rs.x then, 125% of 115% of 110% of x = 1265

(125/100) * (115/100) * (110/100) * x = 1265

x = (1265 * 100 * 100 * 100)/(125 * 115 * 110) = Rs.800

Consider C.P. be Rs.x

then, (105% of x) - (80% of x) = 100 i.e) 25% of x = 100

25x/100 = 100

x = (100 * 100)/25 = 400

Consider the C.P. of banglori silk saree be Rs.x

1st S.P. = 125% of x = 125x/100 = 5x/4

2nd S.P. = 80% of x = 80x/100 = 4x/5

2nd S.P. = 130% of 4x/5 = (130/100) * (4x/5) = 26x/25

i.e) (5x/4) - (26x/25) = 441

21x/100 = 441

x = (441 * 100)/21 = Rs.2100

Consider the original price of the stone be Rs.P

Consider the profit earned by the third buyer be x%

then, (100 + x)% of 125% of 120% of P = 1165% of P

((100 + x)/100) * (125/100) * (120/100) * P = (165/100) * P

100 + x = (165 * 100 * 100)/(125 * 120)

x = 110 - 100 = 10%

Consider C.P. of the horse be Rs.x

C.P. of the carriage = Rs.(3000 - x)

20% of x - 10% of (3000 - x) = 2% of 3000

(x/5) - ((3000 - x)/10) = 60

taking LCM

2x - 3000 + x = 60 * 10

3x = 3600

x = 3600/3 = 1200

Consider the C.P. = Rs.100

then, marked price will be = Rs.150

S.P. = 75% of Rs.150

S.P. = (75/100) * 150 = Rs.112.50

i.e) gain = 12.50%