Cold and Warm riddle

Starting with ‘COLD’, change one letter at a time until you have the word ‘WARM’.

Each change leaves the other letters in their original places and must result in a proper word.

What is the minimum number of steps required to achieve this change?

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SherlockHolmes Expert Asked on 12th March 2018 in No Category.
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  • 1 Answer(s)

    Minimum number of steps: 4 (as each letter has to change at least once.)

    COLD -> CORD -> WORD -> WORM -> WARM

    OR

    COLD -> CORD -> WORD -> WARD -> WARM

    OR

    COLD -> CORD -> CARD -> WARD -> WARM

    Viji_Pinarayi Expert Answered on 14th March 2018.
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