The average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is

The average of 30 numbers is 40 and that of other 40 numbers is 30. Th

1.	The average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is
A.	<table><tr><td rowspan="2">34</td><td style="border-bottom:1px solid #000000;vertical-align:bottom;padding-bottom:2px;">2</td></tr><tr><td style="text-align: center;">7</td></tr></table>
B.	35
C.	34
D.	34.5
Answer» B. 35

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The average of 30 numbers is 40 and that of other 40 numbers is 30. The average of all the numbers is

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