Math, asked by sandeepjamnik16, 3 months ago

The mean of 10 numbers is 47.if a number is added then the mean increases by 1.Find the new number.​

Answers

Answered by bhawna4121
1

Step-by-step explanation:

Mean of 10 numbers = 47

Sum of 10 numbers = 10×47 = 470

Let the new number added = x

New mean ( 11 numbers) = 49

Sum of 12 numbers = 49×11 = 539

Hence. 470+x = 539

⇒x=69

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