📢 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 192 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 => 192 = 2(l + l) × 6 => 192 = 4 × l × 6 => l = 192/24 = 8 cm Area of the floor = l × b = 8 × 8 = 64 cm2

      Practice Next
      More Mensuration Questions
      ask-question