Dhaka Secondary 2016 P5

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samiul_samin
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Dhaka Secondary 2016 P5

Unread post by samiul_samin » Mon Feb 18, 2019 1:59 pm

Screenshot_2019-02-18-13-56-59-1.png
Screenshot_2019-02-18-13-56-59-1.png (10.66 KiB) Viewed 138 times
The number in the figure has $2016$ digits of $4$, followed by $2015$ digits of $8$ and one digit of $9$. Find the sum of the digits of square root of this number.

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samiul_samin
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Re: Dhaka Secondary 2016 P5

Unread post by samiul_samin » Mon Feb 18, 2019 2:20 pm

Hint
$67^2=4489$
Answer
$12097$

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