Question

If the cost of 25 pens is equal to sp of 18 pens, find the profit or loss percent?

Answer 1

CP of 25 pens=SP of 18 pens

lcm of 25 and 18=900

CP of 25 pens=900

cost of one pen=900/25=36

SP of 18 pens=900

SP of one pen=900/18=50

since sp>cp

therefore profit=50-36=14

profit %=14/36*100

=38.88%

Answer 2

Answer:

CP of 25 pens = SP of 18 pens

LCM of 25 and 18 = 900

CP of 25 pens = 900

Cost of one pen = 900/25=36

SP of 18 pens = 900

SP of one pen = 900/18=50

Since SP>CP

∴ Profit = 50-36=14

profit % = 14/36×100

= 38.88%

Explanation:

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