Question

If you solve this question i will mark you a brainlist.

Answer 1

Heya mate!!

ANSWER :-
_____________
Let, the selling price of the 1 greeting card =Re.1

S.p of 25 greetings cards = 25 ×1 re. =Rs. 25.
Re.1×5=Rs.5

C.p of 25 greetings cards = S. P + gain
= Rs. 25 +Rs. 5 = Rs. 30

Hence '=>
Gain % = GAIN /C. P × 100 = 5 /30 ×100= 20%answer!!!
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Hope its help you!

Mark as a brainlist only if it's helpful!!

Answer 2

let shopkeeper sell 25 greetings card in the sell price of 25x
then his cost price is 20x (if his gain as equal as 5 greetings card)
therefore his gain is (25x-20x)
=5x
then his profit percantage is,
5x/25x×100
=20%
it is your answer
thank you