Every floor of a 20 storey building is 5m high.if a lift moves 2 metres every second,how long will it take to move from 3rd floor to 15th floor?

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NO OF FLOORS FROM 3 TO 15=13
DISTANCE BETWEEN EACH FLOOR=5M
SPEED OF LIFT =2M/SEC
DISTANCE BETWEEN 3RD FLOOR TO 15TH FLOOR =5*13=65M
TIME=DISTANCE/SPEED
TIME=65/2
TIME=32.5 SECONDS IT WOULD TAKE THE LIFT 32.5 SECONDS TO MOVE FROM 3RD FLOOR TO 15TH FLOOR.
 
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