The price of one dozen pens is rs 540 what will be the price of 319 such pens?

The price of 5.5 dozen pens is Rs.1287. What is the price of 16 such pens? Rs.212 b.Rs.296 c.Rs.312 d.Rs.412

If cost of 12 pens is Rs84. then what is the cost of 10 such pens ?

If 15 pens cost Rs. 35, what is the cost of 39 pens?

The cost of 1 dozen pens is Rs. 24. Find the cost of 30 pens.

The cost of two dozen apples and three dozen bananas is Rs 136 .The cost of 5 dozen bananas and one dozen apples is Rs 110. What is the price of one dozen bananas? (a) Rs 16 (b) Rs 18 (c) Rs 20 (d) Rs 24(e) None of these