The cost of $1dozen$ pens is $₹36$.find the cost of $6pens$.

Q. The cost of $4$ dozen pencils, $3$ dozen pens and $2$ dozen erasers is Rs. $60$. The cost of $2$ dozen pencils, $4$ dozen pens and $6$ dozen erasers is Rs. $90$ whereas the cost of $6$ dozen pencils, $2$ dozen pens and $3$ dozen erasers is Rs. $70$. Find the cost of each items per dozen by using matrices

Q. Cost of a dozen pens is $Rs180$ and cost of $8$ ball pens is $Rs56$. Find the ratio of the cost of a pen to the cost of a ball pen.

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Question 12

Cost of a dozen pens is Rs 180 and cost of 8 ball pens is Rs 56. Find the ratio of the cost of a pen to the cost of a ball pen.

Q. The cost of $4$ pens is $36Rs.$ Find the cost of $6$ pens