Question

Hi guys.......
Please help me in solving Q.13......

Answer fast....

[ Source- RD Sharma mathematics, Chapter - 13 ​

Answer 1

Correct Answer:

D) 800

Description for Correct answer:

Advertised price of the item = Rs.x

Therefore, Commission on advertised price of article

= Rs. x×23/100

Price after commission = x−23x/100=Rs.77x/100

Therefore, CP of the item = 77x/100×100/100+10

= 77x/110=Rs.7x/10

Profit = 77x/100−7x/10=Rs.7x/100

= 56=7x/100

Therefore, x = 56×100/7 = Rs.800

Answer 2

$\huge{\underline {\underline {\green{Answer}}}}$

Advertised price of the item

=Rs.x

Therefore, Commission on advertised price of article= Rs.

$\frac{x \times 23}{100}$

Price after commission

$x - \frac{23x}{100} = rs \: \frac{77x}{100}$

Therefore, CP of the item =

$\frac{77x}{100} \times \frac{100}{100 + 10} \\ = \frac{77x}{110} = rs \: \frac{7x}{10}$

Profit = 77x/100−7x/10

=Rs.7x/100

=> 56=7x/100

Therefore,

$x = \frac{56 \times 100}{7} = rs \: 800$

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