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24 Mar 2016, 02:53
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C
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Difficulty:
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Question Stats:
84% (00:44) correct
16%
(00:39)
wrong
based on 100
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What is the average of 1/2, 2/5 and 3/10?
A. 1/5
B. 3/10
C. 2/5
D. 1/2
E. 6/5
A. 1/5
B. 3/10
C. 2/5
D. 1/2
E. 6/5
24 Mar 2016, 05:27
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Sum of 1/2,2/5 & 3/10 =12/10
Average = 12/10*1/3 =2/5
Answer C 2/5
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Average = 12/10*1/3 =2/5
Answer C 2/5
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24 Mar 2016, 06:19
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Bunuel
What is the average of 1/2, 2/5 and 3/10?
A. 1/5
B. 3/10
C. 2/5
D. 1/2
E. 6/5
A. 1/5
B. 3/10
C. 2/5
D. 1/2
E. 6/5
Another way to look at it is..
the fractions in ascending order= 3/10, 2/5,1/2
so average will be>3/10.. so A and B can be eliminated
Also average < 1/2.. so D and E can be eliminated
ONLY C is left
