12. Sumeet purchased a book costing Rs.24.75 and a pencil box. He got back Rs.32.75 when hegave a Rs. 100 note. The cost of the pencil box is

If a note book costs Rs p and a pencil costs Rs. 3 then the total cost (in Rs) of two note books and one pencil is

If the cost of 25 pencils is Rs. 75, then what is the cost of 75 pencils (in Rs)?

One pencil costs Rs. 3 and one pen costs Rs. 25. The total cost of x pencils and y pens is

If 7 pencils cost Rs 35, then the cost of one dozen pencils is

Rohit purchased a notebook for Rs 23.75, a pencil for Rs 2.85 and a pen for Rs 15.90. He gave a 50-rupee note to the shopkeeper. What amount did he get back?

A shopkeeper bought a pen for Rs. 75, a book Rs220. And a pencil box for Rs. 46. He sold the pen for Rs. 81, book for Rs. 255 and the pencil box for Rs. 40. What was his gain or loss ?

Madhavi purchased a notebook for ₹27.75 a pencil for ₹4.25 and a pen for 26.45rs. She give a 100rs.note to the shopkeeper what amount did she get back?

The cost of 17 pencils is Rs 59 (1/2) . Find the cost of each pencil.