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4
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1 6 . 7 2
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I N
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1 S T
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1 / 4 8
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1 / 7 2
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3 R D
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1 / 9 6
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4 T H
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1 / 6
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6 1 / 2 8 8
( 1 / 4 8
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2 8 8 / 6 1
H _ _ R S Clue
IT WILL TAKE 5 DAYS FOR 100 PEOPLE TO BUILD 100 HOUSES. 1 PERSON CAN BUILD 1 HOUSE IN 5 DAYS. SO, 100 PEOPLE CAN BUILD 100 HOUSES IN 5 DAYS IT WILL TAKE 4 HOURS 43 MINS 16.72 SECONDS TO FILL THE POOL. IN ONE HOUR: 1ST TAP FILLS 1/48 OF THE POOL 2ND TAP FILLS 1/72 OF THE POOL 3RD TAP FILLS 1/96 OF THE POOL 4TH TAP FILLS 1/6 OF THE POOL THIS ADDS UP TO 61/288 (1/48 + 1/72 + 1/96 + 1/6) FOR 1 HOUR. TO FILL THE POOL, IT WILL TAKE 288/61 HOURS IT WILL TAKE 29 DAYS FOR TWO WATER LILIES TO COVER THE WHOLE POND. EACH WATER LILY WILL NEED TO COVER HALF OF THE POND. THE WATER LILIES WILL COVER HALF OF THE POND ON THE 29TH DAY FOR THE TRAIN TO PASS COMPLETELY THROUGH THE TUNNEL, IT MUST TRAVEL 2 MILES. AFTER 1 MILE TRAVEL, THE TRAIN WOULD BE COMPLETELY IN THE TUNNEL, AND AFTER ANOTHER MILE IT WOULD BE COMPLETELY OUT AND SINCE THE TRAIN IS TRAVELING AT 1 MILE A MINUTE, IT WILL TAKE 2 MINUTES TO PASS THROUGH THE TUNNEL