Meenakshi sells a pen for Rs.54 and loses `1/10` of her outlay. Find (i) the cost of the pen and (ii) the loss percent.

A shopkeeper purchased one dozen pens for Rs. 108 and sold these at Rs. 12.50 each. find: (i) the cost of one pen. (ii) profit or loss on selling one pen. (iii) his total profit or loss onselling all pens.

By selling 144 pens,Jyoti lost the S.P.of 6 pens Find her loss percent.

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

4 Pens and 6 Pencils cost Rs. 80. Find the cost of 12 pens and 18 pencils.

5 pencils and 7 pens together cost Rs.50 whereas 7 pencils and 5 pens together cost rs.46 Find the cost of one pencil and that of one pen.

By selling 8 pens, Shyam loses equal to the cost price of 2 pens. Find his loss percent.

The cost of 24 pens is Rs2986.80. Find the cost of one pen.