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The mean of 10 number is 55.If one number is excluded,their means become 50.Find the excluded number

Posted by Harini Aruna 7 years, 10 months ago

CBSE > Class 09 > Mathematics

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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, 3 weeks ago

CBSE > Class 09 > Mathematics