The cost of 8 sharpeners and 12 pens is Rs.76/-. What is the cost of 20 sharpeners and 30 pens?  Choose the correct choice from the following options:
A) Rs.172 B) Rs.186 C) Rs.190 D) Rs.195 E) Rs.250
Explanation:   From the above statement we have,   The cost of 4 sharpeners + 6 pens = Rs.38/-   Multiplying each term by 5, we get   20 sharpeners + 30 pens = Rs.38x5 =Rs.190   Answer: Option Rs.190
<result>C</result>
The cost of 8 sharpeners and 12 pens is Rs.76/-. What is the cost of 20 sharpeners and 30 pens?