Question

if the cost of 20 chairs be equal to selling price of 16 chairs. find the gain or loss percentage.​

Answer 1

Step-by-step explanation:

let the price of chair be 1

then sp of 20 chair be 20₹

Then cp of 16 chairs be 16₹

gain = sp-cp

20-16= 4

gain% = gain /cp × 100

gain% =4/16×100=25%

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Answer 2

Step-by-step explanation:

Correct option is

A

Gain 12.5

Let, CP of 1 chair be x.

CP of 18 chairs is 18x=SP of 16 chairs.

CP of 16 chairs =16x

Since, SP>CP

Profit=SP−CP

=18x−16x=2x

Profit(%)=CPprofit×100

=16x2x×100

=8100=12.5%