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.Management Sciences
Category: Arithmetic Mcqs
The average age of 15 students of a class is 15 years. Out of these, the average age of 5 students is 14 years and that of the other 9 students is 16 years. The age of the 15th student is____________?
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A. 11 years
B. 14 years
C. 15 years
D. 15 2/7 years
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The average age of 8 men increases by 2 years when two women are included in place of two men of ages 20 and 24 years. Find the average age of the women?
A. 36 years
B. 24 years
C. 30 years
D. 18 years
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The average age of a husband, wife and their child 3 years ago was 27 years and that of wife and the child 5 years ago was 20 years. The present age of the husband is___________?
A. 19 years
B. 23 years
C. 28.5 years
D. 29.3 years
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The average of non-zero number and its square is 5 times the number. The number is__________?
A. 9
B. 17
C. 29
D. 295
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