1. Find the profit or loss per cent in the following cases.
(i) Cost price = 24 and selling price = 30.
(ii) Cost price 250 and selling price = 200.
(ii) Selling price
360 and cost price 300.
(iv) Selling price = 1600 and cost price = 1800.
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Answer:
(i) cost price 24
selling price 30
profit (30-24)=6
profit percent =profit×100/cost price
=6×100/24%=25%
(ii) cost price=250
selling price =200
loss=250-200=50
loss percent =50×100/250%=20%
(iii) cost price =300
selling price =360
profit=360-300=60
profit percent =60×100/300%=20%
(iv) cost price=1800
selling price=1600
loss=1800-1600=200
loss percent =200×100/1800%=100/9%=11 1/9%
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