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.Management Sciences
Category: Average Mcqs
The average of 20 numbers is zero. Of them, at the most, how many may be greater than zero?
0
A. 0
B. 1
C. 10
D. 19
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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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