Escalator Questions
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Latest Questions
Why is the Stairlift system used in homes? Wouldn't an escalator as used in Dept stores be better?
An escalator with a switch on the rail to make it go up or down would be more convenient, safer, and could transport one or more persons at a time.
1 answers | 
| Open
If a man moves up in an escalator to the top in one minute and he moves to the top by using stairs?
in 3 minutes . what will be the time taken to reach to the top if he starts walking on the escalator?
2 answers | 1 star | Open
