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In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together ??
Last Post 13 May 2012 09:21 PM by shekharsaad. 1 Replies.
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richie
Basic Member
Basic Member
Posts:171

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06 May 2012 06:34 PM
    In how many different ways can the letters of the word 'OPTICAL' be arranged so that the vowels always come together ??
    shekharsaad
    New Member
    New Member
    Posts:37

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    13 May 2012 09:21 PM
    electro-optical
    thermo-optical
    optical range
    hypo-optical
    mono-optical
    bio-optical
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