Related Questions

If 75% students of a class answered the first question in a test correctly, 55% answered the second question correctly and 20% answered neither of the questions correctly, what percent answered both the questions correctly?
A 50
B 34
C 44
D 14
If 75 percent of a class answered the first question on a certain test correctly, 55 percent answered the second question on the test correctly, and 20 percent answered neither of the questions correctly, what percent answered both correctly?
A 10%
B 20%
C 30%
D 50%
75% of students of a class answered Question No. 1 correct and 55% answered Question No. 1 correct and 20% answered neither question correctly . What percent of students answered both question correctly ?
A 20%
B 25%
C 35%
D 45%
Read answered 75% of the questions on a test correctly. If he answered 18 questions out of the first 22 correctly, and two-third of the remaining questions correctly, how many questions were on the test?
A 28
B 32
C 36
D 40
There are 10 true-false questions in an examination. these questions can be answered in -
A 20 ways
B 100 ways
C 210 ways
D 1024 ways
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 entire examination to be 80%?
A 85%
B 90%
C 95%
D 100%
In an examination there ere 60 multiple choice questions. For every right answer 1 point is added and for every wrong answer 0.25 points are deducted from the total. No point is added or deducted for any unanswered question. An applicant answered 75% of the total number of questions and got a total point of 30. How many answers of the applicant were correct?
A 28
B 33
C 35
D 25
In an examination there were 50 multiple choice question, For every right answer 1 point is added and for every wrong answer 0.25 points are deducted from the total. No point is added or deducted for any unanswered question. An applicant answered 80% of the total number of questions and got a total point of 35. How many answers of the applicant were wrong?
A 10
B 5
C 4
D 6
There are 200 questions on a 3-hour examination . Among these questions 50 are mathematics problems. It is suggested that twice as much time be spent on each math problem as for each other question. How many minutes should be spent on mathematics problem
A 32
B 72
C 60
D 100
A student obtained 60, 75 and 85 marks respectively in 3 monthly examinations in physics and 95 marks in the final examination. The 3 monthly examinations are of equal weightage whereas the final examination is weighted twice as much as monthly examination. What is his average mark physics?
A 82
B 85
C 79
D 78.75

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