In a test consisting of 140 questions, a candidate correctly answered 70% of the first 80 questions. What percentage of the remaining questions does the candidate need to correctly answer to score 60% in the test?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 
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Understanding |
Application |
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Total questions = 140 Required percentage = 60% |
So, Total number of questions that must be correct = 140 × 0.6 = 84 |
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A candidate correctly answered 70% of the first 80 questions |
So, Number of questions answered correctly = 80 × 0.7 = 56 |
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Remaining questions = 140 – 80 = 60 Remaining question that must be correct = 84 – 56 = 28 |
Hence, Percentage of the remaining questions, the candidate needs to correctly answer = 28/60 × 100 = 140/3 = |