Discussion Forum : True Discount
Question - A tradesman marks his goods 10% above his cost price. If he allows his customers 10% discount on the marked price, how much profit or loss does he make, if any?
Options:
A .  1%loss
B .  No gain, no loss
C .  5% gain
D .  1% gain
Answer: Option A
Answer: (a)Required loss [As per Rule]= $({10 × 10}/100)$% = 1%Using Rule 8,A tradesman marks his goods r% above his cost price. If he allows his customers a discount of $r_1$% on the marked price. Then is profit or loss per cent is${r × (100 - r_1)}/100 - r_1$(Positive sign signifies profit and negative sign signifies loss).

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