Question:medium

A rectangle has dimensions $15 \times 20$ cm$^2$. Its width is decreased by 5% while its length is increased such that its area remains unchanged. Then the percentage increase in its length is?

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If one dimension decreases, the other must increase proportionally to keep area constant.
Updated On: Apr 23, 2026
  • $5 \frac{5}{19}$
  • $5 \frac{6}{19}$
  • $5 \frac{7}{19}$
  • $5 \frac{8}{19}$
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The Correct Option is A

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