A) 36.12
B) 30.66
C) 29.28
D) 38.21
Correct Answer: C
Solution :
[c] Required average \[=30+\frac{(28+31-82-13)}{50}\] \[=30+\left( -\frac{36}{50} \right)=30-\,0.72=29.28\]You need to login to perform this action.
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