What is 15 % of 10 % of 20 % of 1000?

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1.50

150

answer is D.

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Detailed Solution

Concept- Remember the percentage formula: Percentage = Required value Total valuex 100%. To determine the solution, compute incrementally starting with 20% of 1000, then 10% of the result, and then 15% of this result.
When a number is expressed as a percentage, it represents a portion of the total amount expressed by taking 100 into account. 100% refers to the complete amount or the whole. The Latin word "Percent," where denotes a hundred, is where the word "percent" originates.
Simply said, using a percentage to express a fraction with a hundred as a whole is for convenience. A fraction of 100 is used to express a number as a percentage. It is determined by multiplying the ratio's numerical value by 100.
In order to determine the percentage value of a given integer, multiply that number by the necessary percentage before dividing by 100
Calculating 15 percent of 10 percent of 20 percent of 1000 is necessary. To start, we divide 1000 by 100 and multiply 20 by that result to arrive at the percentage (20%) of 1000.
The formula is 20 x 1000 divided by 100.
As a percentage of 100, 20% of 1000 is equal to 200. It is determined by multiplying the ratio's numerical value by 100.
Next, we must find 10% of 20% of 1000, which, according to equation (1) , equals 10% of 200. Calculate 10 percent of 200 by multiplying by 200, then dividing by 100.
The formula is 1020 = 10200100
10 percent of 200 equals 20, thus.
(2)
The following calculation is 15 percent of 10 percent of 20 percent of 1000, which equals 15 percent of 20 according to equation (2) . Calculate 15 percent of 20 by multiplying by 20 and dividing by 100.
The formula is 1520100.
15% of 20 is equal to 3.
Hence, the correct option is 4) 3

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