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Arithmetic Ability
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Q.
The average of 9 results is 50. The average of first four results is 52 and average of last four results is 49 . what is the fifth result?
A.
52
B.
42
C.
46
D.
50
E.
None of the above
View Answer
Correct choice: C
Explanation:
Total of results = 50 x 9 = 450 Total of first four results = 52 x 4 = 208 Total of Last four results = 49 x 4 = 196 Hence the fifth result = 450 - (208 + 196) = 46
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