#7 Measure your Calibre
S = 1 + 2 1 + 3 1 + 4 1 + ⋯ + 9 9 1 + 1 0 0 1
Find ⌊ S ⌋ .
Notation: ⌊ ⋅ ⌋ denotes floor function .
Other problems: Check your Calibre
The answer is 18.
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1 solution
True. Did the same way !
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oh nice :)
try out this 'Lyttelton-Bondi Model for the Expansion of the Universe' inn my post
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Ok sure. And why have you deleted whatsapp? When will you return? How was your JEE Adv?
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@Md Zuhair – no I will come in wtsapp later will talk then.
Use induction to prove that k + 1 - k < 2 ∗ k 1 < k - k − 1 ,Then proceed you will easily get the answer by telescoping series. :) .