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ATQ,
As we know,
(a + b + c)² = a² + b² + c² + 2(ab + bc + ca)
Or, (18)² = a² + b² + c² + 2 × (100)
So, a² + b² + c² = 324 – 200 = 124
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Only year is month
No year is week
Some week are days
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I. Some days can be month
II. Some days are not year
III. Some week are month
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All Composers are Professions.
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No Producer is Director.
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No plate is a glass.
Conclusions: I. Some glasses are cups.
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