Related Questions

At a Luncheon table where 20 men are seated, one -half of then men belong to club A, one -fourth belong to club B and one-tenth to both clubs , how many men belong to neither?
A 3
B 5
C 7
D 6
Spiders belong to which class of animals?
A Arachnids
B Aves
C Gastropods
D Anthozoa
The ratio of boys to girls in class A is 3 to 4 . The ratio of boys to girls in class B is 4 to 5 . If the two classes were combined, the ratio of boys to girls in class B is two less than the number of girls in class A. How many girls are in class A?
A 87
B 11
C 12
D 15
Three maths classes: X, Y, and Z take an algebra test. The average score of class X is 83. The average score of class Y is 76. The average score of class Z is 85. The average score of class X and Y is 79 and the average score of class Y and Z is 81. What is the average score of the combined classes X, Y, and Z?
A 81
B 81.5
C 82
D 84.5
A Zoo keeper counted the heads of the animals in a zoo and found it to be 80. When he counted the legs of the animals he found it to be 260. If the zoo had either pigeons or horses, how many horses were there in the zoo ?
A 40
B 30
C 50
D 60
The receptionist at a veterinary clinic reviewed the office records and found that 3 out of every 8 animals treated at the clinic during the last 4 months were cats. At this rate, how many cats will be treated during the next 12 weeks if a total 288 animals are treated ?
A 108
B 96
C 36
D 24
সন্ধিপদ প্রাণিরা কোন পর্বের অন্তর্গত? (In which phylum the joint-footed animals belong?)
A Annelida
B Platyhelminthes
C Mollusca
D Arthropoda
Govt. Laboratory High School has 10 members in its chess team and 14 members in its science club. Five students at the school belong to both the chess team and the science club. How many students belong to only the chess team?
A 5
B 6
C 7
D 9
Club A has 20 members and Club B has 27. If the total of 42 people belong the to the two clubs, how many people belong to both club?
A 3
B 4
C 5
D 6
In group of 27 students, 18 belongs to Communication Club and 15 belong to the Business Club. If Each student belongs to at least one club, how many students belong to both clubs?
A 3
B 6
C 4
D None of the above

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