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  1. B

    angle of elevation question?

    Let the height of the building be H ; H/120 = tan 59º ; H = 120 tan 59º = 19971 ft .
  2. B

    Four men are walking in a 10 km walking competition. The winner.....?

    Four men are walking in a 10 km walking competition. The winner completes the distance in 5 hours 45 minutes and he reaches 35 minutes before the runner up completes his walk. What was the speed of the runner up in the race? Please explain. Thanks!!!
  3. B

    Tom can complete a work in 10 days, Harry can do it in 7 days?

    Tom can complete a work in 10 days, Harry can do it in 7 days, while Paul can do the work in 12 days. Starting the work together, Tom leaves after 2 days. Harry and Paul continue their work, but Paul leaves one day before Harry and Paul could have completed the work together. How much work...
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