Question

6.If the selling price of 10 pens is equal to cost price of 14 pens, find the gain or loss percent.?
40% gain
40% loss
45% gain
45% loss​

Answer 1

Answer:

40% gain

Step-by-step explanation:

10*sp=14*cp

as sp= profit + cp

10(cp+profit) =14*cp

10* profit = 4*cp

profit =4/10 *cp

now % profit = (profit/ cp)*100

we get (4/10)*100= 40% profit i.e gain

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