Question

if the selling price of 5 pens is equal to cost price of 4 pens then find gain or lose percent​

Answer 1

Answer:

Correct option is

B

20% loss

Let the CP of 4 pens be 4.

Then the SP of 5 pens will be 4.

SP of 1 pen will be

5

4

.

Loss on 1 pen =1−

5

4

=

5

1

Loss percent =

5

1

×100=20%

Step-by-step explanation:

Mark brain list answer please

Answer 2

Answer:

Let the CP of 4 pens be 4.

Then the SP of 5 pens will be 4.

SP of 1 pen will be

5

4

.

Loss on 1 pen =1−

5

4

=

5

1

Loss percent =

5

1

×100=20%