1.

Tiya bought 150 dozens of pens at Rs 30 a dozen. She sold them at Rs 4 per pen. Find her profit Or loss percent

Answer»

Answer:

1 DOZEN=30 rs

150 dozen=150*30=4500rs

1 dozen =12 pens

150 dozen=150*127=1800 pens

Selling price PER pen=4rs

for 1800 pens= 1800*4=7200 rs

=profit

SP=CP+P%*CP

So,

7200=4500+\frac{p}{100} *4500

=7200=4500+45p

7200-4500=45p

2700=45p

p=2700/45

p=60% profit

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