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1. Question: How many speeches were delivered in the two days' programme ? Statements: 18 speakers were invited to give at least one speech (maximum of two speech), out of which one-sixth of the speakers could not come. One-third of the speakers gave two speeches each.






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  • By: guest on 02 Jun 2017 02.08 am
    From I, we find that number of speakers who attended programme =18-(1/6) of 18 = 15.From II, we find that one-third of 15 i.e. 5 speakers gave 2 speeches each, while each of the remaining 10 speakers delivered only one speech.So, total number of speeches delivered = (5 x 2 + 10 x 1) = 20.
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