Question

If the selling price of 10 pens is equal to the cost price of 14 pens find gain percentage

Answer 1

if price of one pen is 1
sales price of 10 pen =14(cost of 14 pens)
cost of 10 pen =10
profit=14-10=4
%of profit=(4÷10)×100=40%

Answer 2

Answer:

Step-by-step explanation:

Let the cost price of 1 pen be rs : 1

C.P of 14 pens = rs 14

C.P of 10 pens = rs 10

Soo, 14 - 10 = 4

4×100÷10

Cut 10 and 100 with 10 table

So it will look like this 4 × 10 ÷ 1 = 40%