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  1. The diagonal of a cuboid of length 5 cm, width 4 cm and height 3 cm is
    1. 52 cm.
    2. 25 cm.
    3. 12 cm.
    4. 10 cm.
Correct Option: A

Diagonal of the cuboid = √l² + b² + h² = √5² + 4²² + 3²
= √25 + 16 + 9 = √50 = 5√2 cm.


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