Question

A shopkeeper bought 20 dozen pencils at * 15 per dozen. He sold 100 of them at
the rate of * 6 for 4 and sold the remaining at 1 for 2. Find his gain or loss
percent.​

Answer 1

1 Dozen pencil = 15

20 Dozen pencil = 15 × 20

240 pencil = 300

CP : 240 pencil =  300

SP1 : for 100 pencil,

4 pencil = 6

1 pencil = (6÷4)

100 pencil = 100 × (6÷4) = 150

SP2 : remaining pencil = 140

1 pencil = 2

140 pencil = 280

Total SP = 150+280=430

profit% = ((430-300)÷300)×100 = 43.33%

Answer 2

Answer:

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