In its search for water a frog fell down into a $30 m$ deep well. Its progress out of the well was very erratic. Each day it managed to climb up $3 m$ , but the following night , it slipped back $2 m$ . How many days did it take to get out of the well?

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Solution

Depth of well $= 30 m$

If each day frog managed to climb up $3 m,$ but the following night, it slipped back $2 m$ then,

Frog climb $1 m$ in one day and it climb $27 m$ in $27$ days

On $28$ th day it climb $3 m$ and it get out of the well

So, total days it take to get out of the well $= 28 d a y s$ (Ans)

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In its search for water a frog fell down into a 30m deep well. Its progress out of the well was very erratic. Each day it managed to climb up 3 m, but the following night , it slipped back 2 m. How many days did it take to get out of the well?

Depth of well =30mIf each day frog managed to climb up 3m, but the following night, it slipped back 2m then,Frog climb 1m in one day and it climb 27m in 27 daysOn 28 th day it climb 3m and it get out of the wellSo, total days it take to get out of the well =28days (Ans)

In its search for water a frog fell down into a $30 m$ deep well. Its progress out of the well was very erratic. Each day it managed to climb up $3 m$ , but the following night , it slipped back $2 m$ . How many days did it take to get out of the well?