The average of 6 numbers is 60. If the average of first four is 50 and that of last three is 70, the fourth number isOptions353050None of these
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 6 numbers is 60. So, the sum of these 6 numbers is 60 * 6 = 360.
The average of the first four numbers is 50. So, the sum of these 4 numbers i Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
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