No products in the cart.

  1. Homework Help
  2. CBSE
  3. Class 09
  4. Mathematics

mean Of 10 observation is 12 …

CBSE, JEE, NEET, CUET

CBSE, JEE, NEET, CUET

Question Bank, Mock Tests, Exam Papers

NCERT Solutions, Sample Papers, Notes, Videos

Install Now

mean Of 10 observation is 12 If each observation is increased by 3,find the new mean.

 

    • Posted by Devanshu Jadhav 8 years, 9 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Rashmi Bajpayee 8 years, 9 months ago

    Mean = Sum of observations / Total no. of observations

    Sum of observations = 12 × 10 = 120

    Now,. New Sum of observations = 120 + 10 × 3 = 150

    New Mean = 150/10  = 15

    2Thank You

    ANSWER
    https://examin8.com Test

    Related Questions

    sides of a triangle are in the ratio of 12:17:25 and its perimeter is 540cm. find its area

    • Posted by Akhilesh Patidar 1 year, 4 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    Cost of a pen is two and half times the cost of a pencil. Express the situation as a linear equation in two variables

    • Posted by Kirshika Ganesh 9 months, 3 weeks ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

    Few rules to keep homework help section safe, clean and informative.
    • Don't post personal information, mobile numbers and other details.
    • Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
    • Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
    • Ask specific question which are clear and concise.

    Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

    Posted by Yash Pandey 6 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    This content has been hidden. One or more users have flagged this content as inappropriate. Once content is flagged, it is hidden from users and is reviewed by myCBSEguide team against our Community Guidelines. If content is found in violation, the user posting this content will be banned for 30 days from using Homework help section. Suspended users will receive error while adding question or answer. Question comments have also been disabled. Read community guidelines at https://mycbseguide.com/community-guidelines.html

    Few rules to keep homework help section safe, clean and informative.
    • Don't post personal information, mobile numbers and other details.
    • Don't use this platform for chatting, social networking and making friends. This platform is meant only for asking subject specific and study related questions.
    • Be nice and polite and avoid rude and abusive language. Avoid inappropriate language and attention, vulgar terms and anything sexually suggestive. Avoid harassment and bullying.
    • Ask specific question which are clear and concise.

    Remember the goal of this website is to share knowledge and learn from each other. Ask questions and help others by answering questions.

    Posted by Sheikh Alfaz 1 month, 2 weeks ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    Prove that the sum of all the three interior angles of a triangle is 180 degree

    • Posted by Savitha Savitha 1 year, 4 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    3√2×4√2×12√32

    • Posted by Manas Khurana 6 months, 2 weeks ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    The polynomial of the type ax²+bx+c,a=0 is called

    • Posted by Duruvan Sivan 6 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    2x²+[1×(8x²)^-1]+1

    • Posted by Less Goo 1 year, 4 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    X³-12x²+39x-28

    • Posted by Sukhi Devasi 1 year, 4 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers
    What is 38747484±393884747

    • Posted by Alvin Thomas 3 months ago

    CBSE > Class 09 > Mathematics
    • 0 answers

    myCBSEguide App

    myCBSEguide

    Trusted by 1 Crore+ Students

    Install Now

    Test Generator

    Test Generator

    Create papers online. It's FREE.

    Try Now

    CUET Mock Tests

    CUET Mock Tests

    75,000+ questions to practice only on myCBSEguide app

    Install Now
    Google Play

    Download myCBSEguide App

    All Courses

    Other Websites

    CBSE Courses

    Resources

    Corporate

    NCERT Solutions

    CBSE Sample Papers

    All Content and Intellectual Property is under Copyright Protection | myCBSEguide.com ©2007-2025