Question

It takes 40 days for a pond to get filled with rain water. If the level of water doubles each day then how long would it take to fill 1/4 of the pond

Answer 1

It takes 38 days to fill 1/4 of the pond.

• The level of water doubles each day.
• That means the level of water in pond doubles each day .
• It will get reduced to half one day before the next day.

40 days = full filled pond

39 days = half filled pond

38 days = 1/4th filled with pond

• Therefore , it takes 38 days to fill $1/4^{th}$ pond with rain water.

Answer 2

On $38^{th}$ day there will be $\frac{1}{4}^{th}$ of the pond is filled.

Step-by-step explanation:

Given:

It takes 40 days for a pond to get filled with rain water.

If the level of water doubles each day then how long would it take to fill $\frac{1}{4}$ of the pond

Solution:

Since, it takes 40 days to fill the pond and the level doubles each day,

On $39^{th}$ day, there will be half of pond and on $38^{th}$ day there will be $\frac{1}{4}^{th}.$

To know more:

It takes 20 days for a pond to get filled with rain water. if the level of water doubles each day, then how long would it take to fill half the pond?

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