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If a student answered 85% of the questions correctly in an exam and there were 1

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Question: If a student answered 85% of the questions correctly in an exam and there were 120 questions, how many questions did he answer correctly?

Options:

  1. 90
  2. 95
  3. 100
  4. 102

Correct Answer: 100

Solution: 

Correct answers = 0.85 * 120 = 102.

If a student answered 85% of the questions correctly in an exam and there were 1

Practice Questions

Q1
If a student answered 85% of the questions correctly in an exam and there were 120 questions, how many questions did he answer correctly?
  1. 90
  2. 95
  3. 100
  4. 102

Questions & Step-by-Step Solutions

If a student answered 85% of the questions correctly in an exam and there were 120 questions, how many questions did he answer correctly?
Correct Answer: 102
  • Step 1: Understand that the student answered 85% of the questions correctly.
  • Step 2: Know that there are a total of 120 questions on the exam.
  • Step 3: Convert the percentage (85%) into a decimal. This is done by dividing 85 by 100, which gives you 0.85.
  • Step 4: Multiply the decimal (0.85) by the total number of questions (120).
  • Step 5: Calculate 0.85 * 120, which equals 102.
  • Step 6: Conclude that the student answered 102 questions correctly.
  • Percentage Calculation – Understanding how to calculate a percentage of a total number.
  • Basic Arithmetic – Applying multiplication to find the number of correct answers based on the percentage.
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