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  1. The sides of a quadrilateral are in the ratio 3 : 4 : 5 : 6 and its perimeter is 72 cm. The length of its greatest side (in cm) is
    1. 24
    2. 27
    3. 30
    4. 36
Correct Option: A

3x + 4x + 5x + 6x = 72
⇒ 18x = 72
⇒ x = 4
∴ Largest side = 6x = 6 × 4 = 24 cm.


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