Multiple choice

What would be the cost of fencing a circular field at the rate of Rs. 40 per meter? Statement I: The circumference of the field is 220 metres. Statement II: The area of the field is 616 square metres.

  1. If only statement I is sufficient.

  2. If only statement II is sufficient.

  3. If either I or II is sufficient.

  4. If neither I nor II is sufficient.

  5. If both statements I and II are necessary.
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Statement I: Circumference = 220m. Cost = 220 × 40 = Rs. 8800 (sufficient). Statement II: Area = 616 = πr² gives r = 14m. Circumference = 2πr = 88m. Cost = 88 × 40 = Rs. 3520 (sufficient). Since either statement alone is sufficient, answer is C.

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