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If the mean of 5 observations X,X+2,X+4,X+6,X+8 is 11 , find the value of X

Posted by Princy Singh 5 years, 1 month ago

CBSE > Class 10 > Mathematics

1 answers

Simranpreet Kaur 5 years, 1 month ago

(X+X+2+X+4+X+6+X+8)/5=11 (5X+20)/5=11 5X+20=11×5 5X=55-20 5X=35 X=35/5 X=7

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CBSE > Class 10 > Mathematics