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This riddle could be considered short and sweet and may need some lateral thinking.

Grandpa says to me with a mischievous smile:

"Hope you know your famous iconic places or landmarks.

Show that the following equation is correct.

Taiwan Landmark NY Landmark US Iconic Highway = 820.5"

Bit of a stretch, if you ask me.

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Taiwan Landmark:

(Taipei) 101

NY Landmark:

Times Square

US Iconic Highway:

Route (root) 66

Equation:

101 * sqr(66)

Which equals

820.5, approximately.

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  • 1
    $\begingroup$ Nicely sniped. Shouldn't have concentrated on the formatting so much :-) $\endgroup$ – Bass Dec 3 '18 at 14:11
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The correct value is actually a bit more than 820.52, so the equals sign should probably be a bit wavier.

The maths are

$101 \times \sqrt{66} \approx 820.527878868..$

Which you can read aloud to get

"(Taipei) 101" "Times Square" "Route 66"

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