Multiple choice

What would be the cost of building a fence around a square plot with area equal to 361 sq.fit. if the price per foot of building the fence is Rs 72?

  1. Rs 6352

  2. Rs 5472

  3. Rs 4846

  4. Rs 6389
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Area = 361 sq ft, so side = sqrt(361) = 19 ft. Perimeter of square = 4 × 19 = 76 ft. Cost at Rs 72 per foot = 76 × 72 = Rs 5472. Option B is correct. Options A (Rs 6352), C (Rs 4846), and D (Rs 6389) are calculation errors.

Keep practicing — related questions