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Q.

Dividing 4500 into two parts such that 5% of the first part is equal to 10% of the second part, the two parts are [[1]] and [[2]] respectively.


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answer is 3000, 1500.

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Detailed Solution

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Dividing 4500 into two parts such that 5% of the first part is equal to 10% of the second part, the two parts are 3000 and 1500 respectively.
It is given that the number 4500 is to be divided into two parts, with the condition that 5% of the first part should be equal to 10% of the second part.
Now, assume the first part of the number is x.
Now, as 4500 is divided into two parts, so the second part must be (4500-x).
Next, according to the given condition, 5% of the first part is equal to 10% of the second part.
This can be expressed mathematically as follows,
5% of x = 10% of (4500x)
  5 100 ×x= 10 100 ×(4500x)
It can be observed that 100 is appearing on both sides of the equation.
So, canceling them out, the equation can be written as follows,
5x=10(4500x)
Simplifying,
5x=(10×4500)(10×x)
5x=4500010x
Adding 10x on both sides, we get,
5x+10x=4500010x+10x
15x=45000
Finally, divide each side by 15 to get the value of the variable x as follows,
15x 15 = 45000 15 x=3000   So, we get the first part of the number as 3000. Now, to get the value of the second part, substitute 3000 for x in the term (4500-x) as assumed, i.e.
45003000=1500
So, the second part is 1500.
Hence, 3000 and 1500 are first and second parts of 4500 which satisfy the given condition, i.e., 5% of the first part is equal to 10% of the second part.
 
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