Question

a frog sitting at the 1st step ,wants to drink water which is at 11th  step. he jumps two step down and  comes back one step.

in how many jumps he will be able to reach water?

(ii) after drinking water he jumps three steps up and then two steps down in how many jumps he will be aqble to reach the top?

Answer 1

since at the start he is at 2nd step (after jumping two steps down and coming back 1 step)
1)so he would require 9 steps
more
2)
he then after drinking he goes 3 steps up and comes down so he is at 10th step
so he would require more 10 jumps