The length and breadth of a rectangle are increased in the ratio 3:4 and 4:3 respectively. What is the ratio of the old area to the new one?

Options
- 3:5
- 1:1
- 2:3
- 5:3

CORRECT ANSWER : 1:1

Discussion Board
Solution

old_length/new_length = 3/4 --------(1)
old_breadth/new_breadth = 4/3 --------------(2)
(1)*(2) = (old_length*old_breadth)/(new_length*new_breadth) = (3/4)*(4/3) = 1

susmitha shankar 07-10-2019 12:56 AM

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