Related Questions

Jane, Karim and Leo checked out books from the library. Jane has an even number of library books . Karim has 3 more library books than Jane . Leo has 2 more library books than Karim. Which statement is true about the number of library books Karim and Leo have ?
A Karim's number is odd, and Leo's number is odd.
B Karim's number is odd, and Leo's number is even.
C Karim's number is even, and Leo's number is odd.
D Karim's number is even, and Leo's number is even.
Mr. Bakhtiar works in the procurement department of a library. Under a new purchase policy, he increased the total number of books in the library by 20%. But soon afterwards, as part of the library cleaning process, 10% of the total library book stock is disposed of. What is the net change over the initial number of books in the library ?
A increased of 10%
B increased of 30%
C decreased of 8%
D none of these
There are 'e' students in a school studying English and 'a' students studying Arabic. How many students study English and Arabic or both, if 'b' students study both?
A e + a
B ea + b
C e + a - b
D e (a - b)
In a class of 60 students, 20 students like Math, 25 students like English and 30 students like Science. If 5 Students like both Math and Science, 8 Students like both English and Science and 3 students like neither of these subjects, how many students like all of the three subjects?
A 2
B 3
C 4
D 5
There are tow examinations rooms A and B. If 10 students are sent from A to B, then the number of students in each room is the same . If 20 candidates are sent from B to A, then the number of students in a is double the number of students in B. what is the number of students in room A?
A 20
B 80
C 100
D 200
At Uttara High school each student studies exactly one foreign languages. Three-fifth of the students take Spanish and one-fourth of the remaining students take take German. If all of the others take French, What percent of the students take French?
A 10
B 30
C 20
D 25
In a class, 120 students are male and 100 students are female. 25% of male students and 20% of female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?
A 10%
B 16%
C 22%
D 25%
In a class, 120 students are male and 100 students are female. 25% of the male students and 20% of the female students are engineering students. 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam?
A 5%
B 10%
C 16%
D 22%
In a class, 120 students are male and 100 students are female , 25% of the male students and 20% of the female students are engineering students . 20% of the male engineering students and 25% of the female engineering students passed the final exam. What percentage of engineering students passed the exam ?
A 5%
B 10%
C 15%
D 22%
Their office consisted of three rooms, ----- was used as a conference room. (Choose the word or phrase or clause that best completes the sentence) (Choose the word or phrase or clause that best completes the sentence)
A largest
B the largest of which
C the largest of them
D larger of which

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