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A room is in the shape of a rectangle having width w and length l. If the width is decreased by 20% and the length is increased by 10%, what is the new area of the rectangle?

- a)0.9 lw
- b)0.92 lw
- c)1.1 lw
- d)None of the above

Correct answer is option 'D'. Can you explain this answer?

If width is w – 20% of w and

length is l + 10% of l,

i.e. If width = 4w / 5 and length = 11l / 10

Then area = 44 lw / 50 = 8lwb / 100 = .88 ab.

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A room is in the shape of a rectangle having width w and length l. If the width is decreased by 20% and the length is increased by 10%, what is the new area of the rectangle?a)0.9 lw b)0.92 lw c)1.1 lw d)None of the aboveCorrect answer is option 'D'. Can you explain this answer? for CAT 2023 is part of CAT preparation. The Question and answers have been prepared according to the CAT exam syllabus. Information about A room is in the shape of a rectangle having width w and length l. If the width is decreased by 20% and the length is increased by 10%, what is the new area of the rectangle?a)0.9 lw b)0.92 lw c)1.1 lw d)None of the aboveCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for CAT 2023 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A room is in the shape of a rectangle having width w and length l. If the width is decreased by 20% and the length is increased by 10%, what is the new area of the rectangle?a)0.9 lw b)0.92 lw c)1.1 lw d)None of the aboveCorrect answer is option 'D'. Can you explain this answer?.

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If width is w – 20% of w andlength is l + 10% of l,i.e. If width = 4w / 5 and length = 11l / 10Then area = 44 lw / 50 = 8lwb / 100 = .88 ab.