Question

THE AVERAGE OF 17 NUMBER IS 45 THE AVERAGE OF THE FIRST 9 OF THOSE IS 51 AND THE LAST 9 OF THOSE IS 36 WHAT IS THE 9 NUMBER ​

Answer 1

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 ➺..Let the sum of first 8 digits be ‘a’.

Let ninth number be ‘b’.

Let sum of last 8 digits be ‘c’.

So from the question, first equation will be:-

(a+b+c)/17 = 45

Second equation will be:-

(a+b)/9 = 51

Third equation will be:-

(b+c)/9 = 36

Solving these 3 liner equation will get the value of ‘b’ as 18, which is the ninth number.

«« Answer– 18»»

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Answer 2

Answer:

Answer is 8

Step-by-step explanation:

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