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If the mean of 2,4,6,8,x and …

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If the mean of 2,4,6,8,x and y is 5 then find the value of x+y. Pls any one can give me answer fast . Bcoz tommorow is my paper pls

Posted by Mehak Pajni 7 years, 10 months ago

CBSE > Class 09 > Mathematics

1 answers

Ananya Shree Awasthi 7 years, 10 months ago

Mean=sum of observation/no of observation 5=2+4+6+8+x+y/6 5*6-20=x+y 10=x+y

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

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CBSE > Class 09 > Mathematics

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CBSE > Class 09 > Mathematics