Question

The area of a playground is 1600 square metres. What is its perimeter?
(I) It is a perfect square playground.
(II) It costs Rs. 3200 to put a fence around the playground at the rate of Rs. 20 per metre.

• A. Statement (I) alone is sufficient, but statement (II) alone is not sufficient.
• B. Statement (II) alone is sufficient, but statement (I) alone is not sufficient.
• C. Both statements together are sufficient, but neither statement alone is sufficient.
• D. Each statement alone is sufficient.

Answer 1

Answer: (D)

Each statement alone is sufficient.

From (I): We can find the side, are and perimeter of square.'
From (II): Since Perimeter $\times$ rate of fencing per meter = Total cost (in rupees)
Hence, each statement alone in sufficient.