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The lengths of two sides of a rectangle are in the ratio 5 : 2 and the perimeter is 70 cm.
Find the longer side (in cm).

Class 8Ratios and ProportionsComparing Quantities
  • A27
  • B50
  • C23
  • D25

Step-by-Step Solution

Let sides be 5k and 2k. Perimeter = 2(5k + 2k) = 14k = 70, so k = 5. Longer side = 5 * 5 = 25 cm.
Answer: D) 25

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