Related Questions

A man sells two articles. The cost price of the first article is equal to the selling price of the second article. The first article is sold at a profit of 20% and the second articles is sold at a loss of 20%. What is the ratio of the selling price of the first article and the cost price of the second article?
A 24 : 25
B 25 : 24
C 29 : 27
D 27 : 29
The probability that a student will graduate with honors and get a good job is 0.09 whereas the probability that a student will graduate with honors is 0.1. What is the probability that a student will get a good job if she graduates with honors?
A 90%
B 9%
C 0.9%
D 18%
In a school 25% more student were enrolled in January. But February 20% of the student left and number 0 students remind was 100. what was the original student.
A 105
B 100
C 85
D 80
A student's average test score on 4 tests is 78. What must be the student's score on the 5 ^ (th) * testf the student's average score on the 5 tests to be 80?
A 80
B 82
C 84
D 88
The average marks obtained by a group of 16 students was 20. One student left the group as a result of which the average of the remaining students rose to 21. But another student joined, as a result of which the average marks of the group dropped a bit and became 20.5. What was the average marks obtained by the student who left and the one who joined?
A 10
B 11
C 8
D 9
On a certain test, a student must select 3 out of 6 question to answer. what is the total number of different combinations of 3 questions that the student can select?
A 12
B 15
C 18
D 20
On a certain test , a student must select 3 out of 6 questions to answer. what is the total number of different combinations of 3 questions that the student can select?
A 10
B 12
C 15
D 18
He is _______university student . Which article is appropriate?
A a
B an
C the
D none of them
The average age of 12 students is 20 years. If the age of one more student is included, the average decreases by 1, what is the age of the new student ?
A 5
B 7
C 9
D 11
In an examination, a student has to secure 40% marks to pass. One student got 40 marks and failed by 40 marks. What was the total marks in the examination?
A 100
B 200
C 300
D 400

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