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D = h (cotA - cotB) Here (h = height of light house) D = AB = 60 60 = h (cot30° - cot60°) 60 = h (√3-1/√3) 60 = h ((3-1)/√3) 2h/√3 = 60 m h = 60 × √3/2 = 30√3 m So height of the tower is = 30√3 m
He denied to have (A)/any part in writing the information packs (B)/and advertisements and said they (C)/were largely available when he arrived (D).
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Parts of the following sentence are given as options. Identify the segment that contains a grammatical error.
A tallest man that I have ever se...
The chairman is accessible for staff members, especially those with a personal problem.
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