Question

Toffees are bought at the rate of 5 for a rupee and sold at 4 for a rupee. Find the gain per cent.
[Hint. Think mentally CP of 20 toffees = SP of 20 toffees =
etc.)​

Answer 1

Answer:

Gain % = 25%

Step-by-step explanation:

Cost price = 5 for a rupee = 1/5

Selling price = 4 for a rupee = 1/4

Gain = SP - CP

= 1/4 - 1/5

= 5-4/20

= 1/20

Gain % = Gain / CP * 100

= (1/20 * 100) / (1/5)

= 5*5

= 25%

Gain percent = 25%

Answer 2

Step-by-step explanation:

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