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7.Profit and Loss
medium
The price of $12$ chair and $8$ table is Rs. $676 .$ What is the price of $21$ chair and $14$ table in $Rs.$?
A
$1183$
B
$4732$
C
$1180$
D
Cannot be determine
Solution
Here, cost of $12$ chairs and $8$ tables $=$ $Rs. 676$
On dividing above equation by $4$
$\Rightarrow$ cost of 3 chairs and 2 tables $=\operatorname{Rs} .676 \times \frac{1}{4}$
Now multiply it by $7$
$\Rightarrow \quad$ cost of $21$ chairs and $14$ tables $=$ Rs. $676 \times \frac{7}{4}=$ $Rs. 1183$
Standard 13
Quantitative Aptitude