every floor of a 25 storey building is 5 metre high if a lift moves 2 M every second how many second it take to climb the rod
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2
Answer:
30 second
Step-by-step explanation:
30 seconds
Height of 1floor=5m
Number of floor from 3
rd
to15
th
=12
∴ Total distance =12×5=60m
Time taken to cover 2m=1 sec
∴ Time taken to cover 60m=
2
60
=30 seconds
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