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A pie chart illustrates the time spent by students on various subjects. If 30% o

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Question: A pie chart illustrates the time spent by students on various subjects. If 30% of the time is spent on Mathematics and 25% on Science, what percentage of time is spent on other subjects?

Options:

  1. 45%
  2. 50%
  3. 55%
  4. 60%

Correct Answer: 45%

Solution: 

The percentage of time spent on other subjects is 100% - (30% + 25%) = 45%.

A pie chart illustrates the time spent by students on various subjects. If 30% o

Practice Questions

Q1
A pie chart illustrates the time spent by students on various subjects. If 30% of the time is spent on Mathematics and 25% on Science, what percentage of time is spent on other subjects?
  1. 45%
  2. 50%
  3. 55%
  4. 60%

Questions & Step-by-Step Solutions

A pie chart illustrates the time spent by students on various subjects. If 30% of the time is spent on Mathematics and 25% on Science, what percentage of time is spent on other subjects?
  • Step 1: Understand that the total percentage of time spent on all subjects is 100%.
  • Step 2: Identify the percentage of time spent on Mathematics, which is 30%.
  • Step 3: Identify the percentage of time spent on Science, which is 25%.
  • Step 4: Add the percentages of Mathematics and Science together: 30% + 25% = 55%.
  • Step 5: Subtract the total percentage spent on Mathematics and Science from 100%: 100% - 55% = 45%.
  • Step 6: Conclude that 45% of the time is spent on other subjects.
  • Percentage Calculation – Understanding how to calculate the remaining percentage by subtracting known percentages from a total of 100%.
  • Pie Chart Interpretation – Interpreting data represented in a pie chart format, specifically focusing on the distribution of time across different subjects.
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