The average of 7 numbers is 5.If the average of first six of these numbers is 4, the seventh number is?
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Step-by-step explanation:
7 संख्याओं का औसत = 5
7 संख्याओं का योग = 35
पहली 6 संख्याओं का औसत = 4
पहली 6 संख्याओं का योग = 24
अत: सातवीं संख्या = 35 - 24
= 11
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