Question:
What is ( 15% ) of 200?
What is ( 15% ) of 200?
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For mental calculation, break down the percentage. Find 10% of the number first, which is easy (just move the decimal point one place to the left). 10% of 200 is 20. Then find 5%, which is half of 10%. So, 5% of 200 is 10. Add them together: \(20 + 10 = 30\).
Updated On: Oct 4, 2025
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The Correct Option is C
Solution and Explanation
Step 1: Understanding the Concept
This question requires calculating a percentage of a given number. The word "of" in this context implies multiplication.
Step 2: Key Formula or Approach
To find the percentage of a number, convert the percentage to a decimal or fraction and then multiply it by the number.
\[ \text{Value} = \left(\frac{\text{Percentage}}{100}\right) \times \text{Total Number} \] Step 3: Detailed Explanation
We need to calculate 15% of 200.
First, convert 15% to a decimal:
\[ 15% = \frac{15}{100} = 0.15 \] Now, multiply this decimal by 200:
\[ 0.15 \times 200 = 30 \] Alternatively, using fractions:
\[ \frac{15}{100} \times 200 = 15 \times \frac{200}{100} = 15 \times 2 = 30 \] Step 4: Final Answer
15% of 200 is 30.
This question requires calculating a percentage of a given number. The word "of" in this context implies multiplication.
Step 2: Key Formula or Approach
To find the percentage of a number, convert the percentage to a decimal or fraction and then multiply it by the number.
\[ \text{Value} = \left(\frac{\text{Percentage}}{100}\right) \times \text{Total Number} \] Step 3: Detailed Explanation
We need to calculate 15% of 200.
First, convert 15% to a decimal:
\[ 15% = \frac{15}{100} = 0.15 \] Now, multiply this decimal by 200:
\[ 0.15 \times 200 = 30 \] Alternatively, using fractions:
\[ \frac{15}{100} \times 200 = 15 \times \frac{200}{100} = 15 \times 2 = 30 \] Step 4: Final Answer
15% of 200 is 30.
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