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What is the result of 15% of 800?
100
110
120
130
120
Calculate 10% of 800 by moving the decimal one place to the left (80), then calculate 5% by taking half of that (40). Add them together: 80 + 40 = 120.
We are given the percentage value 15% and the base value 800.
Value=(100PercentageтАЛ)├ЧBase
Calculate 10% of 800 by moving the decimal one place to the left (80), then calculate 5% by taking half of that (40). Add them together: 80 + 40 = 120.
Students often misplace the decimal point while calculating percentages of hundreds, sometimes confusing 15% with 1.5% or 150%.
Setup the equation
Represent 15% as a fraction and multiply by the base value 800.
Result=10015тАЛ├Ч800
Simplify the expression
Cancel out the two zeros in the denominator with the zeros in 800.
Result=15├Ч8
Calculate the final product
Multiply 15 by 8 to reach the final value.
15├Ч8=120
C is correct because 15% of 800 is calculated as 0.15├Ч800=120.
Mastering mental percentage calculations (like 10% and 5% splits) is critical for Data Interpretation questions in RRB exams where time is limited.
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