Question

Every floor of a 30 story building is 4m high. A lift moves 2m per second. How long will it take
to move from 5th floor to 28th floor?
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Answer 1

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Answer 2

Answer:

1 sec = 2m

2 sec = 4m

4m = 1 floor

5th to 28th floor. =. 28 - 5 floors

=. 23 floors

1 floor = 2 sec

23 floors = ?

23 x 2

46 sec..

i think this will be yr answer