📢 Too many exams? Don’t know which one suits you best? Book Your Free Expert 👉 call Now!
  • google app store apple app store
    • ✖

      Question

      The area of four walls of a room is 144 cm2.

      If the length and breadth of the room were equal and the height of the room is 6 cm, then what is the area of the floor? 
      A 64 sq.cm Correct Answer Incorrect Answer
      B 49 sq.cm Correct Answer Incorrect Answer
      C 36 sq.cm Correct Answer Incorrect Answer
      D 25 sq.cm Correct Answer Incorrect Answer
      E None of these Correct Answer Incorrect Answer

      Solution

      According to question,   => l = b   Area of the wall = 2(l + b)h   => 144 = 2(l + l) × 6 => 144 = 4 × l × 6 => l = 144/24 = 6 cm   Area of the floor = l × b = 6 × 6 = 36 cm2 

      Practice Next
      More Mensuration Questions

      Relevant for Exams:

      ask-question