Tick (✓) the correct answer

Question:

Tick (✓) the correct answer:

A dealer lists his articles at 20% above cost price and allows a discount of 10%. His gain per cent is

(a) 10%

(b) 8%

(c) 9 %

(d) $8 \frac{1}{4} \%$

Solution:

(b) 8%

Let the CP be Rs 100 .

Then, marked price $=$ Rs 120

Discount $=10 \%$ of $\mathrm{MP}$

$=(10 \%$ of Rs 120$)$

$=$ Rs. $\left(120 \times \frac{10}{100}\right)$

$=$ Rs. 12

Now, $\mathrm{SP}=(\mathrm{MP})-($ discount $)$

$=\mathrm{Rs}(120-12)$

$=\mathrm{Rs} 108$

Gain percentage $=(108-100) \%$

= 8%

 

 

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