Multiple choice

Which of the following is correct if the length and breadth of a rectangle are doubled and halved, respectively?

  1. Only perimeter would remain same

  2. Area is increased by a factor of 2

  3. Area would remain same

  4. Perimeter and Area both will remain same

  5. Data Inadequate

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let length of the rectangle is A New length = 2A Let breadth of the rectangle is B New Breadth = B/2 New Area = A x B = AB (Same as old area) New perimeter = 2(2A+B/2) = 4A +B

This is a right answer.