Mathematics · 2019
JEE Main · 10 April 2019, Shift 2 · Q66
Suppose that 20 pillars of the same height have been erected along the boundary of a circular stadium. If the top of each pillar has been connected…
Suppose that $\displaystyle 20$ pillars of the same height have been erected along the boundary of a circular stadium. If the top of each pillar has been connected by beams with the top of all its non-adjacent pillars, then the total number of beams is :
Official answer
(1)
$\displaystyle 170$
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JEE Main 2019 Mathematics question, with the answer from NTA’s final answer key. Where our answers come from.