Question

Kareena climbs up 5 stairs every second and then climbs town 2 stairs over the next second how many seconds will be she take to climb 60 stairs

Answer 1

in one second she climbs = 5 stairs
in onther she climb downs = 2 stairs
so the total second = 2 seconds
and total steps in 2second = 5-2=3
So 60/3=20
there for time taken is 20x2=40seconds

Answer 2

Kareena will take 20 seconds.