A) 27,000
B) 36,000
C) 43,000
D) 64,000
Correct Answer: B
Solution :
\[\overline{{{M}_{n}}}=\frac{(30\times 20000)+(40\times 30000)+(30\times 60000)}{30+40+30}\] \[=36000\]You need to login to perform this action.
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