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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

72.9

B

71.6

C

70.8

D

73.4

Text Solution

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The correct Answer is:
A
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PINNACLE-2018 Main Exam 2nd Shift-EXERCISE
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  2. The sides of a triangle are 56 cm, 90 cm and 106 cm. The circumference...

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  3. The average of 33 numbers is 74. The average of the first 17 numbers i...

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  4. Three fractions, x, y and z, are such that x > y > z. When the smalles...

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  7. To do a certain work, the ratio of the efficiencies of X and Y is 5:4....

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  8. A person sells an article at 16% below its cost price. Had he sold it ...

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  10. The given pie chart shows the quantity wise sales distribution of five...

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