Question

One man climbs up 5 metre per minute on a post and climbs down 2 metre in next minute on the same post. If the post is 52 metre long ,then how many time the man will take to climb up the post? No spams please.​

Answer 1

Step-by-step explanation:

height of the pole (x) = 15 m

Climbed distance per minute (y) = 4 m

Slips (y) = 2 m in next minute

So, In 2 min he climbs 2 m.

we take, 2 min = 1 unit of time

t = 2 minutes

You can calculate required time by this formula : (we are calculating it for 14 m)

Reqd. Time = [( ht. of pole - slipped distance) / (climbed distance - slipped distance )] *T

= [(x-z) / (y-z)] *t

= [(14-2) / (4-2)] &2

= (12/2) *2

= 6 *2

= 12 minutes

And the last 1 m monkey will climb in 45 second because one he get up did not get slipped down

So, total time = 12 minutes 45 seconds