Question

Nobita, Zian and Suzuko are playing a game. Nobita climbs 5 stairs and gets down 2 stairs in one
turn, Zian goes up by 7 stairs and comes down by 2 stairs every time. Suzuko goes 10 stairs up
and 3 stairs down each time. Doing this they have to reach to the nearest point of 100 stairs
and they will stop once they find it impossible to go forward. (They have less number of stairs
than required forward stairs).​

Answer 1

Answer:

Step-by-step explanation:

f she climbs up 5 steps in one sec and down 2 steps in another then she climbs up three steps in every two seconds.

Now by simple unitary method :-

Time taken to climb 3 stairs = 2 seconds

Time taken to climb One stair = 2/3 seconds

Time taken to climb 60 stairs =2/3 *60 seconds = 40 seconds