12. A man makes a profit of 20% by selling sweets for 1960. What will be his profit or loss per
cent if he sells them for 7840?
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Answer:
profit 5%
Step-by-step explanation:
Case (i) Selling price of sweets = Rs 960
Profit % = 20
Cost price = SP x (100) / (100+G) = 960 x (100) / (100+20)
= 800
Therefore, cost price of the sweets = Rs 800
Case (ii) Selling price of sweets = Rs 840
Cost price of the sweets = Rs 800
Selling price of the sweets is more than the cost price.
Therefore, there is a profit.
Profit = SP - CP
= 840 - 800
= Rs 40
Profit % = (Profit/ C.p )×100
= (40/800) x 100
= 5 %
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