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Question 12 Marks
The marked price of a dinning table is $Rs. 23,600$ and is available at a discount of $8%$. Find its selling price.
Answer
Marked price $=  Rs. 23,600$,  Discount  $=8 \%$
$ \therefore \text { S.P. }=\frac{23,600 \times(100-8)}{100}$
$ =236 \times 92$
$ =\text { Rs. } 21,712$
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Question 22 Marks
An article is marked for $Rs. 1,300$ and is sold for $Rs. 1,144$; find the discount percent.
Answer
Marked price $= Rs. 1,300 $, S.P. $= Rs. 1,144$
Discount $= Rs. 1,300- Rs.1,144 = Rs. 156$
$\therefore$ Discount $\%=\frac{156}{1300} \times 100=\frac{156}{13}=12 \%$
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Question 32 Marks
By selling $8 $ pens, Shyam loses equal to the cost price of $2 $ pens. Find his loss percent.
Answer
Let $C.P.$ of $1 $ pen $= Rs. 1$
$C.P.$ of $2$ pens $= Rs. 2$
and $C.P$. of $8$ pens $= Rs. 8$
Loss $= Rs. 2 \ldots [Loss = C.P$. of $2$ Pens $]$
$\operatorname{Loss} \%=\frac{1}{4} \times 100=25 \%$
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Question 42 Marks
Find the selling price, if : $C.P. = Rs.1,300 $ and loss$ = 13\%$
Answer
$ \text { C.P. }=\text { Rs. } 1,300, \text { Loss }=13 \%$
$ \therefore \text { S.P. }=\frac{1300 \times(100-13)}{100}=13 \times 87=\text { Rs. } 1131$
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Question 52 Marks
Find the selling price, if : $C.P. = Rs. 950$ and profit$ = 8\%$
Answer
$C.P. = Rs. 950,$ Profit $=8 \%$
$ \therefore \text { S.P. }=\frac{950 \times(100+8)}{100}=\frac{950 \times 108}{100}=19 \times 54$
$ =\text { Rs. } 1026$
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[2 Mark Question Answer] - MATHS STD 8 Questions - Vidyadip