What will be the total cost of fencing a rectangular plot ?
I. The area of plot is 1134 sq. metre. The length of plot is 15 metre more than its breadth.
II. The cost of fencing is Rs. 180 per metre.

We need both dimensions and cost of fencing to answer the question. Thus, we require both statements.

Let breadth of the plot = $$x$$ m

=> Length = $$(x + 15)$$ m

=> Area of plot = $$x (x + 15) = 1134$$

=> $$x^2 + 15x - 1134 = 0$$

=> $$x^2 + 42x - 27x - 1134 = 0$$

=> $$x (x + 42) - 27 (x + 42) = 0$$

=> $$(x + 42) (x - 27) = 0$$

=> $$x = 27 , -42$$

As length of the plot cannot be negative => Breadth = $$x = 27$$ m

=> Length = $$27 + 15 = 42$$ m

Perimeter = $$2 (42 + 27) = 2 \times 69$$

= $$138$$ m

$$\therefore$$ Cost of fencing = $$138 \times 180$$

= Rs. $$24,840$$

Thus, Both statements together are required to answer the question.