Offline paper
Mathematics · 2015
JEE Main 2015 · 2015-04-04 Offline · Q88
If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are 30°, 45° and…
If the angles of elevation of the top of a tower from three collinear points A, B and C, on a line leading to the foot of the tower, are $\displaystyle 30$°, $\displaystyle 45$° and $\displaystyle 60$° respectively, then the ratio, AB : BC, is :
Official answer
(1)
$\displaystyle \sqrt{3}: 1$
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JEE Main 2015 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.