Let the cost of a table be Rs x and that of chairs be. Rs y Then,

Multiplying equation (i) by 4 and equation (ii) by 3, we get

Subtracting equation (iv) by equation (iii), we get

Cost of 2 chairs = Rs 300and cost of 1 table = Rs 450
=The cost of 2 chairs and 1 table = 300+ 450 = Rs 750