A man can walk up .a 'moving-up' escalator in 30 seconds. The same man can walk down this 'moving-up' escalator in 90 seconds. Assume that his walking speed is same upwards and downwards. How much time will he take to walk up the escalator, when it is not moving? `30\ s e c` b. `45\ s e c` c. `60\ s e c` d. `90\ s e c`

A man can walk up a l'moving-upl' escalator in 30 seconds.The same man can walk down this ''moving-upl' escalator in 90 seconds.Assume that his walking speed is same upwards.Assume downwards.How much time will he take to walk up the escalator,when it is not moving? 30backslash sec b.45backslash sec c.60backslash sec d.90backslash sec

A man walks up a stationary escalator in 90sec. When this man stands on a moving escalator he goes up in 60 sec. The time taken by the man to walk up the moving escalator is

A person walks up a stalled 15 m long escalator in 90 s. When standing on the same escalator, now moving, the person is carried up in 60 s. How much time would it take that person to walk up the moving escalator? Does the answer depend on the length of the escalator?

A person walks up a stalled 15 m long escalator in 90 s. When standing on the same escalator, now moving, the person is carried up in 60 s. How much time would it take that person to walk up the moving escalator? Does the answer depend on the length of the escalator?

When a man stands on a moving ascalator he goes in 50 sec.and when he walks up the moving escalator he goes up in 30 sec.Then the walks up the stationary escalator in a time of

A person walks up a stalled escalator in 90 s. When standingon the same escalator, now moving, he is carried in 60 s.The time it would take him to walk up the moving escalator will be: