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The average of nine numbers in M and the average of three of these is P. If the average of remaining numbers is N, then
5Q:
The average of nine numbers in M and the average of three of these is P. If the average of remaining numbers is N, then
- 12M = N + Pfalse
- 23M = 2P +Nfalse
- 3M =N + Pfalse
- 43M = 2N +Ptrue
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