A chair costs `R sdotxdot` The cost of `x^2y` chairs is .............

4 tables and 3 chairs, together, cost Rs. 2,250 and 3 tables and 4 chairs cost Rs. 1950. Find the cost of 2 chairs and 1 table.

If a chair costs rs. 650 and a table Rs. 500 find the cost of 5 chairs and 5 tables.

One ball pen costs R sdotx\ and one fountain pen costs R sdotydot Find the cost of y^2 ball pens and x^2 fountain pens.

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

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

On selling a plastic chair for Rs 630, a man loses 10%, the cost price of the chair is (a) Rs 567 (b) Rs 693 (c) Rs 700 (d) Rs 730

The marginal cost MC of a product is given to be a constant multiple of number of units (x) produced. Find the total cost function if the fixed cost is Rs. 1000 and the cost of producing 30 units is Rs. 2800.

{:("Column A" , "12 trophies cost 60 dollars","ColumnB"),( , "12 trophies cost 60 dollars. If the cost of each trophy decreases by 1 dollar, 12 + x trophies cost 60 dollars",),(x,"If the cost of each trophy increases by 1 dollar, 12 - y trophies cost 60 dollar",y):}

If the C.P. of 25 chairs is equal to the S.P. of 30 chairs, find the loss percent.