2019 · Q100
In a test consisting of 150 questions, Neha answered 40% of the first 90 questions correctly. What per cent of the 60 questions does she need to answer correctly for her score in the entire test to be 60%?
general-mental-abilityquantitative-aptitude
- A75
- B80
- C85
- D90
Explanation
Neha answered 40% of 90 = 36 questions correctly; she needs 60% of 150 = 90 correct overall, so she must get 54 more of the remaining 60 - i.e. 90%. Hence D.