The average of six numbers is 30. If the average of first four is 25 and that of last three is 35, the fourth number is:Options :25303540
Question
Solution 1
To solve this problem, we need to use the formula for the average, which is the sum of the numbers divided by the quantity of numbers.
The average of six numbers is 30. So, the sum of these six numbers is 30 * 6 = 180.
The average of the first four numbers is 25. So, the sum of these four nu Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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