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If the mean of 10 no. …

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If the mean of 10 no. Is 55 and one more no. Included in it , and mean is 60 find the included no.

    • Posted by Abhishek Math 4 years, 11 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Namrata Jindal 4 years, 11 months ago

    Mean of 10 numbers is 55. So sum will be 10*55=550. Mean of 11 numbers is 60. So sum will be 11*60=660. Included number=660-550=110.

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