Question

Ere is well of depth 30 m and frog is at bottom of the well. He jumps 3 m in one day and falls back 2 m in the same day. How many days will it take for the frog to come out of the well?

Answer 1

and:28 days ..according to the ques each day frog accomplish 1 m(3-2) ,on 27 day frog will jump 3m bt fall back 2m and accomplish only 1m so reach to 28m .bt on 28th day frog will jump 3m and get out of that well.