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The average of 33 numbers is 74. The ave...

The average of 33 numbers is 74. The average of the first 17 numbers is 72.8 and that of the last 17 numbers is 77.2. If the 17th number is excluded, then what will be the average of the remaining numbers (correct to one decimal place)?
33 संख्याओं का औसत 74 है | पहली 17 संख्याओं का औसत 72.8 है तथा अंतिम 17 संख्याओं का औसत 77.2 है | यदि 17वीं संख्या हटा दी जाए, तो शेष संख्याओं का औसत कया होगा ? ( एक दशमलव स्थान तक )

A

70.8

B

73.4

C

72.9

D

71.6

Text Solution

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The correct Answer is:
C
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