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2. In an examination a student must answer 65% of the
questions correctly. But it was found that after answer 7
questions corretly out of the first 14, the student
qualified. What is the min no. of questions in the paper.
(a) 22 (b) 18 (c) 20 (d) Can't say
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Answer Posted / ajas khan
(C) Out of 14 questions 7 are correct it he requers 65% to
pass. With the 18 questions if he answers all remaining 4
correct the he will be able to answer 11 out of 18 then it
is 61.11%. So with the 20 question he will answer remaining
all i.e., 13 and percentage is 65%.
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