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0 / 60 seg.
The world's tallest skyscraper took seven years to build. Each year the workmen were able to double its height. How many years did it take for the skyscraper to reach half of its maximum height?
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Clue
THE SEATING ARRANGEMENT FROM LEFT TO RIGHT IS: ANDREW, ALEXANDRIO, JIMMY, KIAN AND JUSTIN. NAMEBLOOD GROUPAGEHEIGHTWEIGHT ANDREWA666166 ALEXANDRIOO317576 JIMMYAO104197 KIAN B 61 49126 JUSTINAB476141
TINA WILL BE 97 YEARS OLD WHEN MARK IS 100 YEARS OLD. WHEN TOM WAS 6 YEARS OLD, TINA WAS 3 YEARS OLD. 94 YEARS LATER, HE BECOMES 100 YEARS OLD. AND 94 YEARS LATER, HIS SISTER WILL BE 97 (94 + 3) YEARS OLD
THE NAIL WOULD BE AT THE SAME HEIGHT AS TREES GROW FROM THE TOP
SIX YEARS. THE WORKMEN WERE ABLE TO DOUBLE ITS HEIGHT EVERY YEAR, SO IT SHOULD BE HALF OF ITS MAXIMUM HEIGHT ONE YEAR BEFORE COMPLETION
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