Question

Sanjay purchased 20 dozens of pens at the rate of rs. 375 per dozen. He sold each one of them at the rate of rs. 33. What was his percentage profit?

Answer 1

CP of 1 dozen pens = 375rs

CP of 20 dozen pens = 375*20 = 7500rs

1 dozen pens = 12 pens.

20 dozen pens = 12*20 = 240 pens.

SP of 1 pen = 33

SP of 240 pens = 33*240 = 7920 rs

profit = 7920-7500 = 420

$profit\% = \frac{profit}{cp} \times 100 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{420}{7500} \times 100 \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = \frac{420}{75} = 5.6\% \:$

Hence Sanjay's profit percentage = 5.6%

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