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A number increased from 125 to 150 , finding the percentage increase.

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None of these

answer is B.

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Detailed Solution

Concept- We will first find the increase from 125 to 150 by subtracting 125 from 150 . Then, use the formula of percentage increase, that is,

. Substitute the values and hence find the percentage increase.
We have to increase the percentage from 125 to 150 .
We will first find the increase in number from 125 to 150 by subtracting 125 from 150 .
That is, there is an increase of

from Rs. 125 .
We will calculate the percentage increase using the formula,

On substituting the values, we will get,

Now, we will simplify the above expression as,

Divide by 5
As a result, the proportion rose by 20%.
So, choice 2 is the right one.

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