Question

if the first number is 20 percentage less than the second number and the second number is 25 percentage more than 100,then find the first number ​

Answer 1

First Number = 100    if first number is 20 % less than the second number and the second number is 25 % more than 100

Step-by-step explanation:

second number is 25 percentage more than 100

=> Second number = 100 + (25/100) * 100

=> Second number = 100 + 25

=> Second Number = 125

first number is 20 percentage less than the second number

=> First Number = 125 - (20/100)125

=>  First Number = 125 - 25

First Number = 100

First Number = 100  

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Answer 2

Given: The first number is $20$ % less than the second number and the second number is $25$ % more than $100$.

To Find: What is the first number.

Step-by-step explanation:

First find the second number.

The second number is $25$ % more than $100$.

So, $25$ % of $100$,

$=\frac{25}{100}\times 100$

$=25$

∴ The second number is $(100+25)=125$.

Now find the first number.

The first number is $20$ % less than the second number.

So, $20$% of $125$,

$=\frac{20}{100}\times 125$

$=25$

∴ The first number is $(125-25)=100$.