[" By selling a pen for Rs."15," a man losses one "],[" sixteenth of what it costs him.The cost price "],[" of the pen is? "]

By selling a pen for Rs.15, a man loses one- sixteenth of what it costs him.The cost price of the pen is a.Rs.16 b.Rs.18 c.Rs.20 d.Rs.21

If a persons sells a pen drive for Rs. 3192, making a profit of 33% then the cost price (in Rs.) of the pen drive is :

By selling 90 pens for Rs. 80 a man loses 20%. What should be the selling price (in Rs.) of 90 pens for 20% profit?

On selling a pen for Rs 100, a shopkeeper gains Rs 15. The cost price of the pen is (a) Rs 115 (b) Rs 85 (c) Rs 70 (d) Rs 130

On selling a pen for Rs 100, a shopkeeper gains Rs 15. The cost price of the pen is (a) Rs 115 (b) Rs 85 (c) Rs 70 (d) Rs 130

If 8 pens cost Rs. w, find the cost of 5 such pens.

If a person sells a pen drive for ₹3192, making a profit of 33%, then the cost price (in ₹) of the pen drive is:

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