There is a building of 25 stories and it took 5 seconds to go up from the first(base) floor to the fifth floor in an elevator.
How many seconds does it take by going up with the same speed from the first floor to the 25th floor?
How many seconds does it take by going up with the same speed from the first floor to the 25th floor?
Answer
30 seconds
Solution
5 seconds are taken in four between stories from the first floor to the fifth floor.
Since it is 24 between stories from the first floor to the 25th floor,
Since it is 24 between stories from the first floor to the 25th floor,
this time is 5(sec) /4 × 24 = 30(seconds).
