Multiple choice

What is the cost of flooring a rectangular hall? (\)\n(A) The length and the breadth of the hall are in the ratio of 3:2. (\)\n(B) The length of the hall is 48 m and the cost of flooring is Rs 850 per square metre. (\)\n(C) The perimeter of the hall is 160 m and the cost of flooring is Rs 850 per square metre.

  1. Only A and B

  2. Only A and C

  3. Only C

  4. Any two of the three

  5. Only B
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Statement B alone is sufficient as it gives length and cost per square meter, allowing area and cost calculation. However, combined with A (ratio) or C (perimeter), we can find breadth. 'Any two statements' works as A+B or B+C both yield the dimensions needed.

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