If the cost of 7 m of cloth is ₹ 1470, find the cost of 5 m of cloth.

4 chairs and 3 tables cost Rs. 2100 and 5 chairs and 2 tables cost Rs. 1750. Find the cost of one chair and one table separately.

A dealer sells an article for Rs. 16 and loses as much per cent as the cost price of the article. Find the cost price of the article.

Through a rectangular field of length 90m and breadth 60m, two roads are constructed which are parallel to the sides and cut each other at right angles through the center of the fields. If the width of each road is 3 m. Find: the cost of constructing the roads at the rate of Rs.110 /m^2 .

If m=2, find the value of : 9-5m

If m=2, find the value of : 3m-5

The total cost of a certain length of a piece of cloth is Rs. 200. If the piece was 5 m longer, each metre of cloth would cost Rs. 2 less and the cost of the piece would have remained unchanged. How long is the piece and what is its original rate per metre ?

Form the pair of linear equations in the following problems, and find their solutions . 5 pencils and 7 pens cost Rs. 50, whereas 7 pencils 5 pens together cost Rs. 46. Find the cost of one pencil and that of one pen.

Cost of a dozen pens is ₹180 and cost of 8 ball pens is ₹56. Find the ratio of the cost of a pen to the cost of a ball pen.

A gardener wants to fence a circular garden of diameter 21m. Find the length of the rope he needs to purches, if he makes 2 rounds of fence. Also find the cost of the rope, if it costs Rs4 per meter. [Take pr=22/7 ]

The floor of a rectangular hall a perimeter 250 m. If the cost of painting the four walls at the rate of Rs 10 per m^(2) is Rs 15000, find the height of the hall.