Question

The mean of 8 numbers is 25 if one number is included the number of new set of number become 26. Find the new number.

Answer 1

Question :

The mean of 8 numbers is 25 if one number is included the number of new set of number become 26. Find the new number.

Answer :

The new number is 34.

Step-by-step explanation :

Given,

The mean of 8 numbers is 25.

Sum of 8 numbers = 25 × 8 = 200

Now, One number included then the mean become 26.

Sum of 9 numbers -

⇒ 26 × 9 = 234

New number -

⇒ 234 - 200 = 34

Answer 2

ANSWER


THE MEAN. OF 8 NUMBER IS 25

THE SUM OF 8 NUMBER IS.

===25×8

===200

ONE NUMBER IS INCLUDE BE X

THE SUM OF 9 NUMBER IS 26

==26×9

==234

THEN X WILL BE

==234-200

==34

YOUR ANSWER IS 34

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