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In a survey, 70% of people prefer tea over coffee. If 200 people were surveyed,

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Question: In a survey, 70% of people prefer tea over coffee. If 200 people were surveyed, how many prefer tea? (2019)

Options:

  1. 140
  2. 150
  3. 160
  4. 170

Correct Answer: 140

Exam Year: 2019

Solution: 

Number of people preferring tea = 70% of 200 = 0.7 * 200 = 140.

In a survey, 70% of people prefer tea over coffee. If 200 people were surveyed,

Practice Questions

Q1
In a survey, 70% of people prefer tea over coffee. If 200 people were surveyed, how many prefer tea? (2019)
  1. 140
  2. 150
  3. 160
  4. 170

Questions & Step-by-Step Solutions

In a survey, 70% of people prefer tea over coffee. If 200 people were surveyed, how many prefer tea? (2019)
  • Step 1: Understand that 70% means 70 out of every 100 people.
  • Step 2: We need to find out how many people prefer tea out of 200 surveyed.
  • Step 3: Convert 70% to a decimal. 70% as a decimal is 0.7.
  • Step 4: Multiply the total number of people surveyed (200) by the decimal (0.7).
  • Step 5: Calculate 0.7 * 200, which equals 140.
  • Step 6: Conclude that 140 people prefer tea.
  • Percentage Calculation – Understanding how to calculate a percentage of a total number.
  • Basic Arithmetic – Applying multiplication to find the result of a percentage calculation.
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