On a test consisting of 80 questions. Nasir answered 75% of the first 60 questions correctly. What percent of the other 20 questions does he need to answer correctly for his grade on the entire exam to be 80%?

1. On a test consisting of 80 questions. Nasir answered 75% of the first 60 questions correctly. What percent of the other 20 questions does he need to answer correctly for his grade on the entire exam to be 80%?

[BKB Senior Officer-2012 : 2012]

1. 85%

2. 90%

3. 95%

4. 100%

Answer

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