The average of 9 numbers is 30.If the average of first '5' numbers is 25 and that of the last '3' number is 35.Then the 6th number?30405060
Question
Solution 1
To find the 6th number, we can follow these steps:
The total sum of all 9 numbers is 30 * 9 = 270 (since the average is the total sum divided by the number of items)
The total sum of the first 5 numbers is 25 * 5 = 125 (since the average of these 5 numbers is 25)
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