Question

Radhika bought a dozen pens at the rate of 5.00 per pen. She sold 6 of them for rs 7.50 each and the rest for rs 6.75 each. What was the profit or loss

Answer 1

Answer:

Let the cost price of one pen is y

Then cost price of 4 pen =4y

Shop keeper makes a profit 20% on 4 pen

∴ Selling price of 4 pen =

100

4y×120

=

5

24y

But selling price =Rs 10 (given)

∴

5

24y

=10⇒y=

12

25

...................(1)

Cost price of one dozen pen =12y

Shopkeeper sell one dozen pen at loss 10% for Rs x

∴

100

12y×90

=x...........................(2)

Put The y=

12

25

∴x=

100

12×

12

25

HOPE THIS HELPS , THANK YOU.

×90

⇒x=22.50