Question

Coffee costing 250 per kg was mixed with chicory costing 75 per kg in the ratio 5:2 for certain blend. If the mixture was sold at 230 per kg, find the gain or loss per cent ​

Answer 1

cost of coffee=250 per kg.

cost of chicory =75 per kg

coffee: chicory 5:2

if the weight of mixture is 1 kg.

7

5x+2x

=1

⇒7x=7

⇒x=1

∴ weight of coffee =

7

5x

=

7

5

kg

weight of chicory =

7

2x

=

7

2

kg

cost of

7

5

kg coffee =

7

5

×250=

7

1250

cost of

7

2

kg chicory =

7

2

×75=

7

150

total cost of 1 kg mixture =

7

1250

+

7

150

cost price of 1 kg mixture =

7

1400

=200 Rs

selling of 1 kg minute = 230 Rs

gain or loss =

CP

SP−CP

×100=

200

230−200

×100

=

2

30

=15%

since its positive, the mixture was sold at a gain of 15%.

Answer 2

Answer:

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