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When Ehsan was preparing to make a tape from some of his favourite songs, he notices that the Hadi's song was 1 minute longer than Bonna's song and Niaj's song was 1 minute less than twice as long as Bonna's song. If the total time for these three songs is 12 minutes, how long is Niaj's song?

When Ehsan was preparing to make a tape from some of his favourite songs, he notices that the Hadi's song was 1 minute longer than Bonna's song and Niaj's song was 1 minute less than twice as long as Bonna's song. If the total time for these three songs is 12 minutes, how long is Niaj's song? Correct Answer 5 minute

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Some tapes are discs. Some discs are cassettes. Some cassettes are songs Conclusions: 1. Some songs are discs 2. Some cassettes are tapes 3. Some songs are tapes 4. No song is a disc
Statements : Some tapes are discs. Some discs are cassettes. Some cassettes are songs.

Conclusions :
I. Some songs are discs.
II. Some cassettes are tapes.
III. Some songs are tapes.
IV. No song is a disc.
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