Rohan has a total of ₹ 1900. He distributes one pencil to each 30 students and 1 pen to each 45 teachers. The cost of each pencil and each pen is ₹ 10 and ₹ 26 respectively. After purchasing all the items, how much money is left with Rohan if he lost ₹ 200?

Aman went to a shop. He buys 10 pencils for Rs. 30 and 5 chart papers for Rs. 10. What is the cost of 5 boxes of such pencils if each box contains 10 pencils?

Ramesh purchased a book, a pen and a notebook for ₹ 165.35, ₹ 72 and ₹ 14.85 respectively. How much money will he have to pay to the shopkeeper for these items?

Ravish has Rs. 78,592 with him. He placed an order for purchasing 39 radio sets at Rs. 1234 each. How much money will remain with him after the purchase?

A man sold 15 units of wood and the cost of each unit of wood was Rs 32. Then, he bought 2 kg of rice with his earnings at the rate of Rs 28 per kg. How much money was the man left with after buying the rice?

Rakesh purchased 3 books at Rs 35.60 each and two pencils at Rs 4.50 each. How much money did he spend?

A shopkeeper gains rs. 1 on each pen and loses 40 paise on each pencil. He sells 45 pens and some pencils losing Rs. 5 in all. How many pencils does he sell?

In a shop, one notebook costs ₹ 15, a pencil costs ₹ 10 and a pen costs ₹ 20. How much money does Meena spend for 3 notebooks, 5 pencils and 2 pens?

Ram purchased 3 notebooks that each costs ₹ 20.75 and 4 pencil that each costs ₹4.25. Ram gave ₹ 100 to the shopkeeper. How much money should Ram get back from the shopkeeper ?

The cost of 4 dozen pencils, 3 dozen pens and 2 dozen erasers is Rs. 60. The cost of 2 dozen pencils, 4 dozen pens and 6 dozen erasers is Rs. 90 whereas the cost of 6 dozen pencils, 2 dozen pens and 3 dozen erasers is Rs. 70. Find the cost of each item per dozen by using matrices.