The cost of 8 gel pens and 12 ball pens is Rs.82. What would be the cost of 36 gel pens and 54 ball pens?  Choices:  A) Rs.366  B) Rs.365  C) Rs.369  D) Rs.364  E) None of these
Explanation:   From the given statement we have,   The cost of 4 gel pens + 6 ball pens = Rs.41.   Multiplying each terms by 9, we get   The cost of 36 gel pens + 54 ball pens = Rs.369   Answer: Option Rs.369
<result>C</result>
The cost of 8 gel pens and 12 ball pens is Rs.82. What would be the cost of 36 gel pens and 54 ball pens?